clk: samsung: exynos542x: add missing parent GSCL block clocks

This patch adds clocks, which are required for preserving parent clock
configuration on GSCL power domain on/off.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h
index 99da0d1..b5af23a 100644
--- a/include/dt-bindings/clock/exynos5420.h
+++ b/include/dt-bindings/clock/exynos5420.h
@@ -210,6 +210,8 @@
 #define CLK_MOUT_SW_ACLK300     649
 #define CLK_MOUT_USER_ACLK400_DISP1     650
 #define CLK_MOUT_SW_ACLK400     651
+#define CLK_MOUT_USER_ACLK300_GSCL	652
+#define CLK_MOUT_SW_ACLK300_GSCL	653
 
 /* divider clocks */
 #define CLK_DOUT_PIXEL		768