mb/google/rex: Reshuffle CHROMEEC_* related configs

1. Moved CHROMEEC_* to common (required for all boards)
2. added missing EC_GOOGLE_CHROMEEC_SKUID

TEST=Verified with simics on RVP

Change-Id: I26a01e5d1c78d4cd83b1aa53e68b2c3059da6061
Signed-off-by: Eran Mitrani <mitrani@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66762
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index fdcf8bb..9dd76ff 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -3,7 +3,10 @@
 	# FIXME: Rex Proto 0 only has 64MB SPINOR mounted on the board,
 	# and the plan is to use 32MB later with Proto 1 onwards.
 	select BOARD_ROMSIZE_KB_65536
+	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_BOARDID
+	select EC_GOOGLE_CHROMEEC_ESPI
+	select EC_GOOGLE_CHROMEEC_SKUID
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
 	select I2C_TPM
@@ -15,8 +18,6 @@
 	def_bool n
 	select BOARD_GOOGLE_REX_COMMON
 	select DRIVERS_INTEL_PMC
-	select EC_GOOGLE_CHROMEEC
-	select EC_GOOGLE_CHROMEEC_ESPI
 	select MAINBOARD_HAS_CHROMEOS
 	select MEMORY_SOLDERDOWN
 	select SOC_INTEL_METEORLAKE