amdfwtool: Take a config file instead of command line parameters

To verify the consistency, see if timeless builds with and without
this patch result in identical coreboot.rom files.

BUG=b:154032833
TEST=Build & boot on mandolin

Change-Id: Icae73d0730106aab687486e555ba947796e5e757
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42859
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nikolai Vyssotski <nikolai.vyssotski@amd.corp-partner.google.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/soc/amd/picasso/Kconfig b/src/soc/amd/picasso/Kconfig
index 6a5b932..7e03a41 100644
--- a/src/soc/amd/picasso/Kconfig
+++ b/src/soc/amd/picasso/Kconfig
@@ -446,9 +446,9 @@
 comment "AMD Firmware Directory Table set to location for 16MB ROM"
 	depends on AMD_FWM_POSITION_INDEX = 5
 
-config AMD_PUBKEY_FILE
+config AMDFW_CONFIG_FILE
 	string
-	default "3rdparty/amd_blobs/picasso/PSP/AmdPubKeyRV.bin"
+	default "src/soc/amd/picasso/fw.cfg"
 
 config USE_PSPSECUREOS
 	bool
@@ -487,16 +487,6 @@
 	depends on HAVE_PSP_WHITELIST_FILE
 	default "3rdparty/amd_blobs/picasso/PSP/wtl-rvn.sbin"
 
-config PSP_BOOTLOADER_FILE
-	string "Specify the PSP Bootloader file path"
-	default "3rdparty/amd_blobs/picasso/PSP/PspBootLoader_WL_RV.sbin" if HAVE_PSP_WHITELIST_FILE
-	default "3rdparty/amd_blobs/picasso/PSP/PspBootLoader_prod_RV.sbin"
-	help
-	  Supply the name of the PSP bootloader file.
-
-	  Note that this option may conflict with the whitelist file if a
-	  different PSP bootloader binary is specified.
-
 config PSP_SHAREDMEM_SIZE
 	hex "Maximum size of shared memory area"
 	default 0x3000 if VBOOT