mb/google/nissa/var/glassway: Add 2nd touchscreen via SSFC config

Define SSFC bit 0-1 in coreboot for add 2nd BOE G7500 touchscreen.

BUG=b:329339069
BRANCH=firmware-nissa-15217.B
TEST=Check touchscreen can detect and function work.
[INFO ]  input: GTCH7503:00 2A94:A804 as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-10/i2c-GTCH7503:00/0014

Change-Id: I85688919864e3cac1beb2442ef3e23fe9d5f916c
Signed-off-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81217
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index a22f665..0602207 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -239,6 +239,7 @@
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select DRIVERS_GENERIC_GPIO_KEYS
 	select DRIVERS_GENESYSLOGIC_GL9750
+	select EC_GOOGLE_CHROMEEC_INCLUDE_SSFC_IN_FW_CONFIG
 
 config BOARD_GOOGLE_GOTHRAX
 	select BOARD_GOOGLE_BASEBOARD_NISSA