dt-bindings: clk: qcom: Add support for GPU GX GDSCR

In the cases where the GPU SW requires to use the GX GDSCR add
support for the same.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/1581307266-26989-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

include/dt-bindings/clock/qcom,gpucc-sc7180.h

@@ -15,7 +15,8 @@
 #define GPU_CC_CXO_CLK			6
 #define GPU_CC_GMU_CLK_SRC		7
 
-/* CAM_CC GDSCRs */
+/* GPU_CC GDSCRs */
 #define CX_GDSC				0
+#define GX_GDSC				1
 
 #endif