mb/google/nissa/var/glassway: Select drivers for gpio-keys and GL9750

Add 2 configuration on Kconfig for glassway.
- DRIVERS_GENERIC_GPIO_KEYS
- DRIVERS_GENESYSLOGIC_GL9750

BUG=b:319071869
BRANCH=firmware-nissa-15217.B
TEST=Local build successfully and boot to OOBE normally.

Change-Id: Id7e358d2f472cd435d2828f6256f5ee91dfb8ef6
Signed-off-by: Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80766
Reviewed-by: Shawn Ku <shawnku@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>

src/mainboard/google/brya/Kconfig

@@ -236,6 +236,8 @@ config BOARD_GOOGLE_GLADIOS
 
 config BOARD_GOOGLE_GLASSWAY
 	select BOARD_GOOGLE_BASEBOARD_NISSA
+	select DRIVERS_GENERIC_GPIO_KEYS
+	select DRIVERS_GENESYSLOGIC_GL9750
 
 config BOARD_GOOGLE_GOTHRAX
 	select BOARD_GOOGLE_BASEBOARD_NISSA