exynos: Convert to use CONFIG_BLK

Move all exynos boards over to use CONFIG_BLK.

This converts s5p_goni also, but adding dummy functions for pinmux and
peripheral ID. This will not function correctly, but gives the maintainer
more time to convert the board if desired.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index ed04369..3807770 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -8,6 +8,8 @@
 	bool "Exynos4 SoC family"
 	select BOARD_EARLY_INIT_F
 	select CPU_V7A
+	select BLK
+	select DM_MMC
 	help
 	  Samsung Exynos4 SoC family are based on ARM Cortex-A9 CPU. There
 	  are multiple SoCs in this family including Exynos4210, Exynos4412,
@@ -24,6 +26,9 @@
 	imply USB_ETHER_ASIX
 	imply USB_ETHER_RTL8152
 	imply USB_ETHER_SMSC95XX
+	select BLK
+	select DM_MMC
+
 	help
 	  Samsung Exynos5 SoC family are based on ARM Cortex-A15 CPU (and
 	  Cortex-A7 CPU in big.LITTLE configuration). There are multiple SoCs
@@ -33,6 +38,8 @@
 	bool "Exynos7 SoC family"
 	select ARM64
 	select BOARD_EARLY_INIT_F
+	select BLK
+	select DM_MMC
 	help
 	  Samsung Exynos7 SoC family are based on ARM Cortex-A57 CPU or
 	  Cortex-A53 CPU (and some in a big.LITTLE configuration). There are