video: s3c-fb: use ARCH_ dependancy

Use ARCH_ dependancy when using s3c-fb.  S3C_DEV_FB, S5P_DEV_FIMD0 cannot
be enabled on EXYNOS5.  So, ARCH_ should be used as dependancy for s3c-fb.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/video/Kconfig

@@ -2025,7 +2025,8 @@ config FB_TMIO_ACCELL
 
 config FB_S3C
 	tristate "Samsung S3C framebuffer support"
-	depends on FB && (S3C_DEV_FB || S5P_DEV_FIMD0)
+	depends on FB && (CPU_S3C2416 || ARCH_S3C64XX || ARCH_S5P64X0 || \
+		ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT