soc/intel/cannonlake: Configure Vmx support using Kconfig

Change VmxEnable UPD values based on Kconfig ENABLE_VMX
and remove it from Devicetree and chip.h

Remove Vmx dependency on Vt-d

Change-Id: I4180c2270038a28befd6ed53c9485905025a15ba
Signed-off-by: Ronak Kanabar <ronak.kanabar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32117
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index 1507214..9ecbf00 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -22,7 +22,6 @@
 	register "SataPortsDevSlp[2]" = "1"
 	register "InternalGfx" = "1"
 	register "SkipExtGfxScan" = "1"
-	register "VmxEnable" = "1"
 	register "PchPmSlpS3MinAssert" = "3"  # 50ms
 	register "PchPmSlpS4MinAssert" = "4"  # 4s
 	register "PchPmSlpSusMinAssert" = "4" # 4s
diff --git a/src/mainboard/google/sarien/variants/sarien/devicetree.cb b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
index e4a92a9..625655b 100644
--- a/src/mainboard/google/sarien/variants/sarien/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
@@ -26,7 +26,6 @@
 	register "SataPortsDevSlp[2]" = "1"
 	register "InternalGfx" = "1"
 	register "SkipExtGfxScan" = "1"
-	register "VmxEnable" = "1"
 	register "PchPmSlpS3MinAssert" = "3"  # 50ms
 	register "PchPmSlpS4MinAssert" = "4"  # 4s
 	register "PchPmSlpSusMinAssert" = "4" # 4s
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index 7461d78..58b540c 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -354,7 +354,6 @@
 
 	/* Intel VT configuration */
 	uint8_t VtdDisable;
-	uint8_t VmxEnable;
 
 	/*
 	 * Acoustic Noise Mitigation
diff --git a/src/soc/intel/cannonlake/romstage/fsp_params.c b/src/soc/intel/cannonlake/romstage/fsp_params.c
index 4545f52..2ad2c93 100644
--- a/src/soc/intel/cannonlake/romstage/fsp_params.c
+++ b/src/soc/intel/cannonlake/romstage/fsp_params.c
@@ -61,11 +61,8 @@
 	m_cfg->PcdDebugInterfaceFlags =
 				CONFIG(DRIVERS_UART_8250IO) ? 0x02 : 0x10;
 
-	/* Disable Vmx if Vt-d is already disabled */
-	if (config->VtdDisable)
-		m_cfg->VmxEnable = 0;
-	else
-		m_cfg->VmxEnable = config->VmxEnable;
+	/* Change VmxEnable UPD value according to ENABLE_VMX Kconfig */
+	m_cfg->VmxEnable = CONFIG(ENABLE_VMX);
 
 #if CONFIG(SOC_INTEL_COMMON_CANNONLAKE_BASE)
 	if (CONFIG(USE_INTEL_FSP_TO_CALL_COREBOOT_PUBLISH_MP_PPI))