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-s5pc1xx/Kconfig b/arch/arm/mach-s5pc1xx/Kconfig
index 04acdaa..8cffced 100644
--- a/arch/arm/mach-s5pc1xx/Kconfig
+++ b/arch/arm/mach-s5pc1xx/Kconfig
@@ -7,6 +7,8 @@
 config TARGET_S5P_GONI
 	bool "S5P Goni board"
 	select OF_CONTROL
+	select BLK
+	select DM_MMC
 
 config TARGET_SMDKC100
 	bool "Support smdkc100 board"
diff --git a/arch/arm/mach-s5pc1xx/Makefile b/arch/arm/mach-s5pc1xx/Makefile
index a4be3fc..ab80460 100644
--- a/arch/arm/mach-s5pc1xx/Makefile
+++ b/arch/arm/mach-s5pc1xx/Makefile
@@ -10,3 +10,4 @@
 obj-y	+= reset.o
 
 obj-y	+= clock.o
+obj-y	+= pinmux.o
diff --git a/arch/arm/mach-s5pc1xx/pinmux.c b/arch/arm/mach-s5pc1xx/pinmux.c
new file mode 100644
index 0000000..818d751
--- /dev/null
+++ b/arch/arm/mach-s5pc1xx/pinmux.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Dummy functions to keep s5p_goni building (although it won't work)
+ *
+ * Copyright 2018 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <asm/arch/pinmux.h>
+
+int exynos_pinmux_config(int peripheral, int flags)
+{
+	return 0;
+}
+
+int pinmux_decode_periph_id(const void *blob, int node)
+{
+	return 0;
+}