EXYNOS5: Create a common board file

Create a common board.c file for all functions which are common across
all EXYNOS5 platforms.

exynos_init function is provided for platform specific code.

Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/common/Makefile b/board/samsung/common/Makefile
index 501d974..22bd6b1 100644
--- a/board/samsung/common/Makefile
+++ b/board/samsung/common/Makefile
@@ -8,3 +8,7 @@
 obj-$(CONFIG_SOFT_I2C_MULTI_BUS) += multi_i2c.o
 obj-$(CONFIG_THOR_FUNCTION) += thor.o
 obj-$(CONFIG_CMD_USB_MASS_STORAGE) += ums.o
+
+ifndef CONFIG_SPL_BUILD
+obj-$(CONFIG_BOARD_COMMON)	+= board.o
+endif