FDT: Add compatible string for DWMMC

Add required compatible information for DWMMC driver.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Amar <amarendra.xt@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index ac1fe0b..e3142cb 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -62,6 +62,7 @@
 	COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),
 	COMPAT(SAMSUNG_EXYNOS_FIMD, "samsung,exynos-fimd"),
 	COMPAT(SAMSUNG_EXYNOS5_DP, "samsung,exynos5-dp"),
+	COMPAT(SAMSUNG_EXYNOS5_DWMMC, "samsung,exynos5250-dwmmc"),
 	COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686_pmic"),
 	COMPAT(GENERIC_SPI_FLASH, "spi-flash"),
 	COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"),