clk: qcom: Add APQ8084 Global Clock Controller documentation

Add the compatible string for the APQ8084 global clock controller
to the clock binding documentation.

Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/Documentation/devicetree/bindings/clock/qcom,gcc.txt
index 9cfcb4f..4f35042 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc.txt
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc.txt
@@ -5,6 +5,7 @@
 - compatible : shall contain only one of the following:
 
 			"qcom,gcc-apq8064"
+			"qcom,gcc-apq8084"
 			"qcom,gcc-msm8660"
 			"qcom,gcc-msm8960"
 			"qcom,gcc-msm8974"