[ARM] S3C64XX: Initial arch directory

Add the initial PLAT_S3C64XX support files
and directory structure.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index b57ada4..6fa261a 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -6,7 +6,7 @@
 
 config PLAT_S3C
 	bool
-	depends on ARCH_S3C2410 || ARCH_S3C24A0
+	depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
 	default y
 	select NO_IOPORT
 	help