ARM: dts: stm32: Fix IRQ_TYPE_NONE warnings on stm32mp157c

Since commit 83a86fbb ("irqchip/gic: Loudly complain about
the use of IRQ_TYPE_NONE"), a warning is raised if IRQ_TYPE_NONE is used.
So we use IRQ_TYPE_LEVEL_HIGH for usart nodes instead of IRQ_TYPE_NONE.
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Tested-by: Fabrice Gasnier <fabrice.gasnier@st.com>

arch/arm/boot/dts/stm32mp157c.dtsi

@@ -314,7 +314,7 @@ counter {
 		usart2: serial@4000e000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x4000e000 0x400>;
-			interrupts = <GIC_SPI 38 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc USART2_K>;
 			status = "disabled";
 		};
@@ -322,7 +322,7 @@ usart2: serial@4000e000 {
 		usart3: serial@4000f000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x4000f000 0x400>;
-			interrupts = <GIC_SPI 39 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc USART3_K>;
 			status = "disabled";
 		};
@@ -330,7 +330,7 @@ usart3: serial@4000f000 {
 		uart4: serial@40010000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40010000 0x400>;
-			interrupts = <GIC_SPI 52 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc UART4_K>;
 			status = "disabled";
 		};
@@ -338,7 +338,7 @@ uart4: serial@40010000 {
 		uart5: serial@40011000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40011000 0x400>;
-			interrupts = <GIC_SPI 53 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc UART5_K>;
 			status = "disabled";
 		};
@@ -431,7 +431,7 @@ dac2: dac@2 {
 		uart7: serial@40018000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40018000 0x400>;
-			interrupts = <GIC_SPI 82 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc UART7_K>;
 			status = "disabled";
 		};
@@ -439,7 +439,7 @@ uart7: serial@40018000 {
 		uart8: serial@40019000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40019000 0x400>;
-			interrupts = <GIC_SPI 83 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc UART8_K>;
 			status = "disabled";
 		};
@@ -489,7 +489,7 @@ timer@7 {
 		usart6: serial@44003000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x44003000 0x400>;
-			interrupts = <GIC_SPI 71 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc USART6_K>;
 			status = "disabled";
 		};
@@ -800,7 +800,7 @@ usbphyc_port1: usb-phy@1 {
 		usart1: serial@5c000000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x5c000000 0x400>;
-			interrupts = <GIC_SPI 37 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc USART1_K>;
 			status = "disabled";
 		};