arm64: dts: sdm845: Update the device tree node for LLCC

LLCC cache-controller was renamed to system-cache-controller
to make schema pass the dt binding check. Update the device
tree node to reflect this change.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/a2bb92de65e90768bf1d6b8c0b7fbd43cba704d2.1573814758.git.saiprakash.ranjan@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sdm845.dtsi

@@ -1357,7 +1357,7 @@ uart15: serial@a9c000 {
 			};
 		};
 
-		cache-controller@1100000 {
+		system-cache-controller@1100000 {
 			compatible = "qcom,sdm845-llcc";
 			reg = <0 0x01100000 0 0x200000>, <0 0x01300000 0 0x50000>;
 			reg-names = "llcc_base", "llcc_broadcast_base";