arm64: dts: qcom: sm8550: Add dma-coherent property

Add dma-coherent property to fastRPC context bank nodes to pass dma
sequence test in fastrpc sanity test, ensure that data integrity is
maintained during DMA operations.
Signed-off-by: Ling Xu <quic_lxu5@quicinc.com>
Link: https://lore.kernel.org/r/20240125102413.3016-2-quic_lxu5@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8550.dtsi

@@ -4283,6 +4283,7 @@ compute-cb@3 {
 						reg = <3>;
 						iommus = <&apps_smmu 0x1003 0x80>,
 							 <&apps_smmu 0x1063 0x0>;
+						dma-coherent;
 					};
 
 					compute-cb@4 {
@@ -4290,6 +4291,7 @@ compute-cb@4 {
 						reg = <4>;
 						iommus = <&apps_smmu 0x1004 0x80>,
 							 <&apps_smmu 0x1064 0x0>;
+						dma-coherent;
 					};
 
 					compute-cb@5 {
@@ -4297,6 +4299,7 @@ compute-cb@5 {
 						reg = <5>;
 						iommus = <&apps_smmu 0x1005 0x80>,
 							 <&apps_smmu 0x1065 0x0>;
+						dma-coherent;
 					};
 
 					compute-cb@6 {
@@ -4304,6 +4307,7 @@ compute-cb@6 {
 						reg = <6>;
 						iommus = <&apps_smmu 0x1006 0x80>,
 							 <&apps_smmu 0x1066 0x0>;
+						dma-coherent;
 					};
 
 					compute-cb@7 {
@@ -4311,6 +4315,7 @@ compute-cb@7 {
 						reg = <7>;
 						iommus = <&apps_smmu 0x1007 0x80>,
 							 <&apps_smmu 0x1067 0x0>;
+						dma-coherent;
 					};
 				};
 
@@ -4417,6 +4422,7 @@ compute-cb@1 {
 						iommus = <&apps_smmu 0x1961 0x0>,
 							 <&apps_smmu 0x0c01 0x20>,
 							 <&apps_smmu 0x19c1 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@2 {
@@ -4425,6 +4431,7 @@ compute-cb@2 {
 						iommus = <&apps_smmu 0x1962 0x0>,
 							 <&apps_smmu 0x0c02 0x20>,
 							 <&apps_smmu 0x19c2 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@3 {
@@ -4433,6 +4440,7 @@ compute-cb@3 {
 						iommus = <&apps_smmu 0x1963 0x0>,
 							 <&apps_smmu 0x0c03 0x20>,
 							 <&apps_smmu 0x19c3 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@4 {
@@ -4441,6 +4449,7 @@ compute-cb@4 {
 						iommus = <&apps_smmu 0x1964 0x0>,
 							 <&apps_smmu 0x0c04 0x20>,
 							 <&apps_smmu 0x19c4 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@5 {
@@ -4449,6 +4458,7 @@ compute-cb@5 {
 						iommus = <&apps_smmu 0x1965 0x0>,
 							 <&apps_smmu 0x0c05 0x20>,
 							 <&apps_smmu 0x19c5 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@6 {
@@ -4457,6 +4467,7 @@ compute-cb@6 {
 						iommus = <&apps_smmu 0x1966 0x0>,
 							 <&apps_smmu 0x0c06 0x20>,
 							 <&apps_smmu 0x19c6 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@7 {
@@ -4465,6 +4476,7 @@ compute-cb@7 {
 						iommus = <&apps_smmu 0x1967 0x0>,
 							 <&apps_smmu 0x0c07 0x20>,
 							 <&apps_smmu 0x19c7 0x10>;
+						dma-coherent;
 					};
 
 					compute-cb@8 {
@@ -4473,6 +4485,7 @@ compute-cb@8 {
 						iommus = <&apps_smmu 0x1968 0x0>,
 							 <&apps_smmu 0x0c08 0x20>,
 							 <&apps_smmu 0x19c8 0x10>;
+						dma-coherent;
 					};
 
 					/* note: secure cb9 in downstream */