ARM: shmobile: r8a7791 dtsi: add SYS-DMAC clocks

Add clocks for the SYS-DMAC0 and SYS-DMAC1 hardware blocks.

Cfr. the r8a7790 version by Ben Dooks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791.dtsi

@@ -743,16 +743,19 @@ mstp2_clks: mstp2_clks@e6150138 {
 			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
 			reg = <0 0xe6150138 0 4>, <0 0xe6150040 0 4>;
 			clocks = <&mp_clk>, <&mp_clk>, <&mp_clk>, <&mp_clk>, <&mp_clk>,
-				 <&mp_clk>, <&mp_clk>, <&mp_clk>;
+				 <&mp_clk>, <&mp_clk>, <&mp_clk>,
+				 <&zs_clk>, <&zs_clk>;
 			#clock-cells = <1>;
 			renesas,clock-indices = <
 				R8A7791_CLK_SCIFA2 R8A7791_CLK_SCIFA1 R8A7791_CLK_SCIFA0
 				R8A7791_CLK_MSIOF2 R8A7791_CLK_SCIFB0 R8A7791_CLK_SCIFB1
 				R8A7791_CLK_MSIOF1 R8A7791_CLK_SCIFB2
+				R8A7791_CLK_SYS_DMAC1 R8A7791_CLK_SYS_DMAC0
 			>;
 			clock-output-names =
 				"scifa2", "scifa1", "scifa0", "msiof2", "scifb0",
-				"scifb1", "msiof1", "scifb2";
+				"scifb1", "msiof1", "scifb2",
+				"sys-dmac1", "sys-dmac0";
 		};
 		mstp3_clks: mstp3_clks@e615013c {
 			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";