[ARM] 4724/1: S3C2412: Select S3C2410 base GPIO implementation

The S3C2412 GPIO is similar enough to the S3C2410 that
it can use it as a base for GPIO functionality.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-s3c2412/Kconfig

@@ -10,6 +10,7 @@ config CPU_S3C2412
 	select CPU_LLSERIAL_S3C2440
 	select S3C2412_PM if PM
 	select S3C2412_DMA if S3C2410_DMA
+	select S3C2410_GPIO
 	help
 	  Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line