vboot: refactor OPROM code

The name OPROM is somewhat inaccurate, since other steps to bring
up display and graphics are needed depending on mainboard/SoC.
This patch cleans up OPROM code nomenclature, and works towards
the goal of deprecating vboot1:

* Rename CONFIG_VBOOT_OPROM_MATTERS to
  CONFIG_VBOOT_MUST_REQUEST_DISPLAY and clarify Kconfig
  description
* Remove function vboot_handoff_skip_display_init
* Remove use of the VbInit oflag VB_INIT_OUT_ENABLE_DISPLAY
* Add |flags| field to vboot_working_data struct
* Create VBOOT_FLAG_DISPLAY_REQUESTED and set in vboot_handoff

BUG=b:124141368, b:124192753, chromium:948529
TEST=make clean && make test-abuild
TEST=build and flash eve device; attempt loading dev/rec modes
BRANCH=none

Change-Id: Idf111a533c3953448b4b9084885a9a65a2432a8b
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32262
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index 98fdb02..217d1ea 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -119,7 +119,7 @@
 
 config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_VBNV_CMOS
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig
index a83a7e9..03ad31d 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -43,7 +43,7 @@
 	select CPU_HAS_L2_ENABLE_MSR
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_ROMSTAGE
 
 config BOOTBLOCK_CPU_INIT
diff --git a/src/soc/intel/braswell/Kconfig b/src/soc/intel/braswell/Kconfig
index 8db4795..a0c0708 100644
--- a/src/soc/intel/braswell/Kconfig
+++ b/src/soc/intel/braswell/Kconfig
@@ -53,7 +53,7 @@
 	select SOUTHBRIDGE_INTEL_COMMON_SMBUS
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_ROMSTAGE
 
 config BOOTBLOCK_CPU_INIT
diff --git a/src/soc/intel/broadwell/Kconfig b/src/soc/intel/broadwell/Kconfig
index 25984f1..83ccf7b 100644
--- a/src/soc/intel/broadwell/Kconfig
+++ b/src/soc/intel/broadwell/Kconfig
@@ -66,7 +66,7 @@
 	default y
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_ROMSTAGE
 
 config BOOTBLOCK_CPU_INIT
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index b730b7a..6759b7f 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -231,7 +231,7 @@
 
 config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_VBNV_CMOS
diff --git a/src/soc/intel/icelake/Kconfig b/src/soc/intel/icelake/Kconfig
index 2e9e3e2..2fbc6da 100644
--- a/src/soc/intel/icelake/Kconfig
+++ b/src/soc/intel/icelake/Kconfig
@@ -151,7 +151,7 @@
 
 config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_VBNV_CMOS
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index 5116f3a..fcfe2b6 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -106,7 +106,7 @@
 
 config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_VBNV_CMOS
diff --git a/src/soc/mediatek/mt8173/Kconfig b/src/soc/mediatek/mt8173/Kconfig
index b0d6fa0..e966b8e 100644
--- a/src/soc/mediatek/mt8173/Kconfig
+++ b/src/soc/mediatek/mt8173/Kconfig
@@ -16,7 +16,7 @@
 if SOC_MEDIATEK_MT8173
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_SEPARATE_VERSTAGE
 
diff --git a/src/soc/mediatek/mt8183/Kconfig b/src/soc/mediatek/mt8183/Kconfig
index 6582e4e..f96282c 100644
--- a/src/soc/mediatek/mt8183/Kconfig
+++ b/src/soc/mediatek/mt8183/Kconfig
@@ -14,7 +14,7 @@
 if SOC_MEDIATEK_MT8183
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_SEPARATE_VERSTAGE
 
diff --git a/src/soc/nvidia/tegra124/Kconfig b/src/soc/nvidia/tegra124/Kconfig
index eecb59b..475d50e 100644
--- a/src/soc/nvidia/tegra124/Kconfig
+++ b/src/soc/nvidia/tegra124/Kconfig
@@ -18,7 +18,7 @@
 if SOC_NVIDIA_TEGRA124
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_SEPARATE_VERSTAGE
 
diff --git a/src/soc/nvidia/tegra210/Kconfig b/src/soc/nvidia/tegra210/Kconfig
index 8883baa..6750aa9 100644
--- a/src/soc/nvidia/tegra210/Kconfig
+++ b/src/soc/nvidia/tegra210/Kconfig
@@ -18,7 +18,7 @@
 config VBOOT
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_SEPARATE_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 
 config MAINBOARD_DO_DSI_INIT
 	bool "Use dsi graphics interface"
diff --git a/src/soc/qualcomm/sdm845/Kconfig b/src/soc/qualcomm/sdm845/Kconfig
index c0e3294..ba06488 100644
--- a/src/soc/qualcomm/sdm845/Kconfig
+++ b/src/soc/qualcomm/sdm845/Kconfig
@@ -16,7 +16,7 @@
 config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
 	select VBOOT_RETURN_FROM_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_BOOTBLOCK
 
 config SDM845_QSPI
diff --git a/src/soc/rockchip/rk3288/Kconfig b/src/soc/rockchip/rk3288/Kconfig
index 53666c2..38d87524 100644
--- a/src/soc/rockchip/rk3288/Kconfig
+++ b/src/soc/rockchip/rk3288/Kconfig
@@ -34,7 +34,7 @@
 if SOC_ROCKCHIP_RK3288
 
 config VBOOT
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_SEPARATE_VERSTAGE
 	select VBOOT_RETURN_FROM_VERSTAGE
diff --git a/src/soc/rockchip/rk3399/Kconfig b/src/soc/rockchip/rk3399/Kconfig
index fb95499..897a597 100644
--- a/src/soc/rockchip/rk3399/Kconfig
+++ b/src/soc/rockchip/rk3399/Kconfig
@@ -20,7 +20,7 @@
 	select VBOOT_MIGRATE_WORKING_DATA
 	select VBOOT_SEPARATE_VERSTAGE
 	select VBOOT_RETURN_FROM_VERSTAGE
-	select VBOOT_OPROM_MATTERS
+	select VBOOT_MUST_REQUEST_DISPLAY
 	select VBOOT_STARTS_IN_BOOTBLOCK
 
 config PMIC_BUS