ARM: dts: stm32: DSI should use LSE SCMI clock on DK1/ED1 STM32 board

LSE clock is provided by SCMI.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

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

@@ -29,6 +29,10 @@ &cpu1 {
 	clocks = <&scmi_clk CK_SCMI_MPU>;
 };
 
+&dsi {
+	clocks = <&rcc DSI_K>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
+};
+
 &gpioz {
 	clocks = <&scmi_clk CK_SCMI_GPIOZ>;
 };

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

@@ -34,6 +34,10 @@ &cryp1 {
 	resets = <&scmi_reset RST_SCMI_CRYP1>;
 };
 
+&dsi {
+	clocks = <&rcc DSI_K>, <&scmi_clk CK_SCMI_HSE>, <&rcc DSI_PX>;
+};
+
 &gpioz {
 	clocks = <&scmi_clk CK_SCMI_GPIOZ>;
 };