[ARM] S3C24XX: Compilation fix if s3c2410 is not selected

This patch fixes compilation error if no s3c2410 processor is selected
but the s3c244x is selected. The function s3c2410_baseclk_add() is now
available for all Samsung cpus.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
[ben-linux@fluff.org: Whitespace and description fixups]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

include/asm-arm/plat-s3c24xx/s3c2410.h

@@ -21,11 +21,11 @@ extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
 extern void s3c2410_init_clocks(int xtal);
 
-extern  int s3c2410_baseclk_add(void);
-
 #else
 #define s3c2410_init_clocks NULL
 #define s3c2410_init_uarts NULL
 #define s3c2410_map_io NULL
 #define s3c2410_init NULL
 #endif
+
+extern int s3c2410_baseclk_add(void);