clk: samsung: add new Kconfig for Samsung common clock option

This patch adds new Kconfig file for adding new COMMON_CLK_SAMSUNG option.
Samsung platforms can select this for using common clock infrastructure.

CC: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 6f56d3a..ba24366 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -115,3 +115,5 @@
 
 source "drivers/clk/bcm/Kconfig"
 source "drivers/clk/mvebu/Kconfig"
+
+source "drivers/clk/samsung/Kconfig"