mb/starlabs: Set POWER_STATE_OFF_AFTER_FAILURE

This Kconfig option is used as a failback when `get_uint_option`
fails. It will fail after coreboot is flashed, as the cfr code has
not yet setup the options.

Change the default to OFF, so when it does fallback, it's the correct
behaviour.

Change-Id: I5d06047fe23322520e9c84ded8f1941f6d716a51
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78223
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>

src/mainboard/starlabs/lite/Kconfig

@@ -71,6 +71,9 @@ config MAINBOARD_SMBIOS_PRODUCT_NAME
 	string
 	default "Lite"
 
+config POWER_STATE_OFF_AFTER_FAILURE
+	default y
+
 config TRACKPAD_INTERRUPT
 	hex
 	default 0x1 if BOARD_STARLABS_LITE_GLK

src/mainboard/starlabs/starbook/Kconfig

@@ -158,6 +158,10 @@ config ME_BIN_PATH
 	string
 	default "3rdparty/blobs/mainboard/\$(MAINBOARDDIR)/\$(CONFIG_VARIANT_DIR)/intel_me.bin"
 
+
+config POWER_STATE_OFF_AFTER_FAILURE
+	default y
+
 config EDK2_BOOTSPLASH_FILE
 	string
 	default "3rdparty/blobs/mainboard/starlabs/Logo.bmp"