arm64: dts: qcom: msm8996: Add a carveout for modem metadata

Add a new carveout for modem metadata on MSM8996 SoCs.
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230117085840.32356-8-quic_sibis@quicinc.com

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

@@ -462,6 +462,12 @@ mba_mem: mba@91500000 {
 			reg = <0x0 0x91500000 0x0 0x200000>;
 			no-map;
 		};
+
+		mdata_mem: mpss-metadata {
+			alloc-ranges = <0x0 0xa0000000 0x0 0x20000000>;
+			size = <0x0 0x4000>;
+			no-map;
+		};
 	};
 
 	rpm-glink {
@@ -2465,6 +2471,10 @@ mpss {
 				memory-region = <&mpss_mem>;
 			};
 
+			metadata {
+				memory-region = <&mdata_mem>;
+			};
+
 			smd-edge {
 				interrupts = <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;