arm64: dts: qcom: msm8996: add cxo and sleep-clk to gcc node

Supply proper cxo (RPM_SMD_BB_CLK1) and sleep_clk to the gcc clock
controller node.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220215201539.3970459-5-dmitry.baryshkov@linaro.org

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -679,8 +679,10 @@ gcc: clock-controller@300000 {
 			#power-domain-cells = <1>;
 			reg = <0x00300000 0x90000>;
 
-			clocks = <&rpmcc RPM_SMD_LN_BB_CLK>;
-			clock-names = "cxo2";
+			clocks = <&rpmcc RPM_SMD_BB_CLK1>,
+				 <&rpmcc RPM_SMD_LN_BB_CLK>,
+				 <&sleep_clk>;
+			clock-names = "cxo", "cxo2", "sleep_clk";
 		};
 
 		tsens0: thermal-sensor@4a9000 {