s3c64xx: move s3c64xx header files to asm-arm/arch-s3c64xx

This patch moves the s3c64xx header files from include/
to include/asm-arm/arch-s3c64xx

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/smdk6400/smdk6400.c b/board/samsung/smdk6400/smdk6400.c
index 561c0c8..78aaa9e 100644
--- a/board/samsung/smdk6400/smdk6400.c
+++ b/board/samsung/smdk6400/smdk6400.c
@@ -30,7 +30,7 @@
 
 #include <common.h>
 #include <netdev.h>
-#include <s3c6400.h>
+#include <asm/arch/s3c6400.h>
 
 /* ------------------------------------------------------------------------- */
 #define CS8900_Tacs	0x0	/* 0clk		address set-up		*/