[ARM] S3C24XX: GPIO: Change to macros for GPIO numbering

Prepare to remove the large number of S3C2410_GPxn defines
by moving to S3C2410_GPx(n) in arch/arm.

The following perl was used to change the files:

    perl -pi~ -e 's/S3C2410_GP([A-Z])([0-9]+)([^_^0-9])/S3C2410_GP\1\(\2\)\3/g'

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index d363b6f..68f3870 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -469,7 +469,7 @@
 		anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
 	} else {
 		/* ensure that the GPIO is setup */
-		s3c2410_gpio_setpin(S3C2410_GPA0, 1);
+		s3c2410_gpio_setpin(S3C2410_GPA(0), 1);
 	}
 }