abuild:skyrim: Remove the setting for AMD FW base in configs

Change-Id: I56e0501b511866b8ccc200b55620f87883e12067
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77518
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/configs/config.google_skyrim.no_video b/configs/config.google_skyrim.no_video
index 36da487..4494f1f 100644
--- a/configs/config.google_skyrim.no_video
+++ b/configs/config.google_skyrim.no_video
@@ -1,7 +1,6 @@
 CONFIG_USE_AMD_BLOBS=y
 CONFIG_VENDOR_GOOGLE=y
 # CONFIG_CONSOLE_SERIAL is not set
-CONFIG_AMD_FWM_POSITION_INDEX=4
 CONFIG_VBOOT=y
 CONFIG_VBOOT_SLOTS_RW_A=y
 # CONFIG_DRIVERS_INTEL_WIFI is not set
diff --git a/configs/config.google_skyrim.with_binaries b/configs/config.google_skyrim.with_binaries
index 530ace4..7c56ceb 100644
--- a/configs/config.google_skyrim.with_binaries
+++ b/configs/config.google_skyrim.with_binaries
@@ -2,7 +2,6 @@
 CONFIG_USE_AMD_BLOBS=y
 CONFIG_VENDOR_GOOGLE=y
 CONFIG_VGA_BIOS_ID="1002,1506"
-CONFIG_AMD_FWM_POSITION_INDEX=3
 CONFIG_VGA_BIOS=y
 CONFIG_CONSOLE_POST=y
 CONFIG_BOARD_GOOGLE_SKYRIM=y