mb/google/geralt: Move selects from Kconfig.name to Kconfig

Selects should be done in the Kconfig file instead of Kconfig.name and
not mixed over both files.

Change-Id: I590b7fb5f5f52cbf1a61c65f8fac757e36feac5e
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75028
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/geralt/Kconfig

@@ -4,6 +4,9 @@
 config BOARD_GOOGLE_GERALT_COMMON
 	def_bool n
 
+config BOARD_GOOGLE_GERALT
+	select BOARD_GOOGLE_GERALT_COMMON
+
 if BOARD_GOOGLE_GERALT_COMMON
 
 config VBOOT

src/mainboard/google/geralt/Kconfig.name

@@ -2,4 +2,3 @@ comment "Geralt"
 
 config BOARD_GOOGLE_GERALT
 	bool "->  Geralt"
-	select BOARD_GOOGLE_GERALT_COMMON