mb/google/brya: Create tereid variant

This patch creates a new tereid variant, which is a Twin Lake platform.
This variant uses Nereid board mounted with the Twin Lake SOC and
hence the plan is to reuse the existing nereid variant code.

BUG=b:346442939
TEST=Generate the Tereid firmware builds and verify with boot check.

Change-Id: I052c3ba93d00e2df7e205c3127210bacaa956ca0
Signed-off-by: Sowmya V <v.sowmya@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83145
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 464f8ce..59b09e0 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -514,6 +514,14 @@
 	select DRIVERS_GENESYSLOGIC_GL9763E_L1_MAX
 	select INTEL_GMA_HAVE_VBT
 
+config BOARD_GOOGLE_TEREID
+	select BOARD_GOOGLE_BASEBOARD_NISSA
+	select BOARD_ROMSIZE_KB_32768
+	select DRIVERS_GENERIC_BAYHUB_LV2
+	select DRIVERS_GENERIC_GPIO_KEYS
+	select INTEL_GMA_HAVE_VBT
+	select SOC_INTEL_TWINLAKE
+
 config BOARD_GOOGLE_TIVVIKS
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select BOARD_ROMSIZE_KB_32768
@@ -675,6 +683,7 @@
 	default 0x1 if BOARD_GOOGLE_TAEKO
 	default 0x3 if BOARD_GOOGLE_TAEKO4ES
 	default 0x1 if BOARD_GOOGLE_TANIKS
+	default 0x0 if BOARD_GOOGLE_TEREID
 	default 0x0 if BOARD_GOOGLE_TIVVIKS
 	default 0x0 if BOARD_GOOGLE_TRULO
 	default 0x0 if BOARD_GOOGLE_ULDREN
@@ -767,6 +776,7 @@
 	default "Taeko" if BOARD_GOOGLE_TAEKO
 	default "Taeko4ES" if BOARD_GOOGLE_TAEKO4ES
 	default "Taniks" if BOARD_GOOGLE_TANIKS
+	default "Tereid" if BOARD_GOOGLE_TEREID
 	default "Tivviks" if BOARD_GOOGLE_TIVVIKS
 	default "Trulo" if BOARD_GOOGLE_TRULO
 	default "Uldren" if BOARD_GOOGLE_ULDREN
@@ -812,6 +822,7 @@
 	default "mithrax" if BOARD_GOOGLE_MITHRAX
 	default "moli" if BOARD_GOOGLE_MOLI
 	default "nereid" if BOARD_GOOGLE_NEREID
+	default "nereid" if BOARD_GOOGLE_TEREID
 	default "nivviks" if BOARD_GOOGLE_NIVVIKS
 	default "nivviks" if BOARD_GOOGLE_TIVVIKS
 	default "nokris" if BOARD_GOOGLE_NOKRIS