ARM: dts: stm32: add FMC2 NAND controller support on stm32mp157c

This patch adds FMC2 NAND controller support used by stm32mp157c SOC.
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp157c.dtsi

@@ -1239,6 +1239,25 @@ mdma1: dma@58000000 {
 			dma-requests = <48>;
 		};
 
+		fmc: nand-controller@58002000 {
+			compatible = "st,stm32mp15-fmc2";
+			reg = <0x58002000 0x1000>,
+			      <0x80000000 0x1000>,
+			      <0x88010000 0x1000>,
+			      <0x88020000 0x1000>,
+			      <0x81000000 0x1000>,
+			      <0x89010000 0x1000>,
+			      <0x89020000 0x1000>;
+			interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&mdma1 20 0x10 0x12000a02 0x0 0x0>,
+			       <&mdma1 20 0x10 0x12000a08 0x0 0x0>,
+			       <&mdma1 21 0x10 0x12000a0a 0x0 0x0>;
+			dma-names = "tx", "rx", "ecc";
+			clocks = <&rcc FMC_K>;
+			resets = <&rcc FMC_R>;
+			status = "disabled";
+		};
+
 		qspi: spi@58003000 {
 			compatible = "st,stm32f469-qspi";
 			reg = <0x58003000 0x1000>, <0x70000000 0x10000000>;