configs: Build test STB features on google skyrim

- Update the google_skyrim.with_binaries to test printing the STB
entries.
- Add a new saved config to test building without video, building
using an x86 verstage, and STB_SPILL_TO_DRAM

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Idddcf2441b91b79575e5dfed1cc56d207234205b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68928
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Jon Murphy <jpmurphy@google.com>

configs/config.google_skyrim.no_video

@@ -0,0 +1,25 @@
+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
+CONFIG_BOARD_GOOGLE_SKYRIM=y
+CONFIG_VBOOT_FWID_MODEL="Google_$(CONFIG_MAINBOARD_PART_NUMBER)"
+CONFIG_POWER_STATE_PREVIOUS_AFTER_FAILURE=y
+CONFIG_ASYNC_FILE_LOADING=y
+# CONFIG_ACPI_BERT is not set
+# CONFIG_ACPI_SSDT_PSD_INDEPENDENT is not set
+CONFIG_ENABLE_STB_SPILL_TO_DRAM=y
+CONFIG_AMD_STB_SIZE_IN_MB=3
+CONFIG_NO_GFX_INIT=y
+CONFIG_VPD=y
+CONFIG_CBFS_MCACHE_RW_PERCENTAGE=50
+CONFIG_GBB_FLAG_DEV_SCREEN_SHORT_DELAY=y
+CONFIG_GBB_FLAG_FORCE_DEV_SWITCH_ON=y
+CONFIG_VBOOT_KEYBLOCK_VERSION=1
+CONFIG_VBOOT_KEYBLOCK_PREAMBLE_FLAGS=0x0
+CONFIG_SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT=y
+CONFIG_POST_IO_PORT=0x80
+# CONFIG VBOOT_STARTS_BEFORE_BOOTBLOCK is not set

configs/config.google_skyrim.with_binaries

@@ -27,3 +27,5 @@ CONFIG_DISPLAY_FSP_CALLS_AND_STATUS=y
 CONFIG_DISPLAY_FSP_HEADER=y
 CONFIG_FATAL_ASSERTS=y
 CONFIG_DEBUG_SMI=y
+CONFIG_WRITE_STB_BUFFER_TO_CONSOLE=y
+CONFIG_ADD_POSTCODES_TO_STB=y