GraphicBuffer: exynos4: set FIMC1 usage bit on samsung specific formats

Change-Id: Ia8cde7e594f8be464ef15eaae453872ee5aa2768
libui: exynos4: apply FIMC usage flag on format HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED

Change-Id: I8a98e593cb60d0843e83a5e431142410e26d82e7