EXYNOS5: FDT: Add compatible strings for PMIC

Add required compatible information for PMIC

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 0d3417b..f77d195 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -78,6 +78,7 @@
 	COMPAT_SAMSUNG_EXYNOS_SPI,	/* Exynos SPI */
 	COMPAT_SAMSUNG_EXYNOS_EHCI,	/* Exynos EHCI controller */
 	COMPAT_SAMSUNG_EXYNOS_USB_PHY,	/* Exynos phy controller for usb2.0 */
+	COMPAT_MAXIM_MAX77686_PMIC,	/* MAX77686 PMIC */
 
 	COMPAT_COUNT,
 };