ARM: dts: stm32: fix DSI peripheral clock on stm32mp15 boards

In RCC driver, 'DSI_K' is a kernel clock while 'DSI' has pclk4 as parent
clock, which means that it is an APB peripheral clock. Swap the clocks
in the DSI peripheral clock reference.
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

arch/arm/boot/dts/st/stm32mp157.dtsi

@@ -20,7 +20,7 @@ gpu: gpu@59000000 {
 		dsi: dsi@5a000000 {
 			compatible = "st,stm32-dsi";
 			reg = <0x5a000000 0x800>;
-			clocks = <&rcc DSI_K>, <&clk_hse>, <&rcc DSI_PX>;
+			clocks = <&rcc DSI>, <&clk_hse>, <&rcc DSI_PX>;
 			clock-names = "pclk", "ref", "px_clk";
 			phy-dsi-supply = <&reg18>;
 			resets = <&rcc DSI_R>;

arch/arm/boot/dts/st/stm32mp157a-dk1-scmi.dts

@@ -30,7 +30,7 @@ &cpu1 {
 };
 
 &dsi {
-	clocks = <&rcc DSI_K>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
+	clocks = <&rcc DSI>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
 };
 
 &gpioz {

arch/arm/boot/dts/st/stm32mp157c-dk2-scmi.dts

@@ -36,7 +36,7 @@ &cryp1 {
 
 &dsi {
 	phy-dsi-supply = <&scmi_reg18>;
-	clocks = <&rcc DSI_K>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
+	clocks = <&rcc DSI>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
 };
 
 &gpioz {

arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts

@@ -35,7 +35,7 @@ &cryp1 {
 };
 
 &dsi {
-	clocks = <&rcc DSI_K>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
+	clocks = <&rcc DSI>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
 };
 
 &gpioz {

arch/arm/boot/dts/st/stm32mp157c-ev1-scmi.dts

@@ -36,7 +36,7 @@ &cryp1 {
 
 &dsi {
 	phy-dsi-supply = <&scmi_reg18>;
-	clocks = <&rcc DSI_K>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
+	clocks = <&rcc DSI>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
 };
 
 &gpioz {