[media] s5p-fimc: Use correct fourcc code for 32-bit RGB format

Replace V4L2_PIX_FMT_RGB24 code with V4L2_PIX_FMT_RGB32
since the hardware uses 24-bits for actual pixel data but pixels
are 4-byte aligned in memory.

Signed-off-by: Sylwester Nawrocki <[e-mail]>
Signed-off-by: Kyungmin Park <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/s5p-fimc/fimc-core.c

···
 		.planes_cnt = 1,
 		.flags = FMT_FLAGS_M2M,
 	}, {
-		.name = "XRGB-8-8-8-8, 24 bpp",
-		.fourcc	= V4L2_PIX_FMT_RGB24,
+		.name = "XRGB-8-8-8-8, 32 bpp",
+		.fourcc	= V4L2_PIX_FMT_RGB32,
 		.depth = 32,
 		.color	= S5P_FIMC_RGB888,
 		.buff_cnt = 1,