drivers: stm32_fmc2_nand: move to new bindings

FMC node bindings are modified to add EBI controller node.
FMC driver and associated device tree files are modified
to support these new bindings.

Change-Id: I4bf201e96a1aca20957e0dac3a3b87caadd05bdc
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
diff --git a/fdts/stm32mp157c-ev1.dts b/fdts/stm32mp157c-ev1.dts
index 50c0b93..c5d12e3 100644
--- a/fdts/stm32mp157c-ev1.dts
+++ b/fdts/stm32mp157c-ev1.dts
@@ -24,11 +24,16 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&fmc_pins_a>;
 	status = "okay";
-	#address-cells = <1>;
-	#size-cells = <0>;
+
+	nand-controller@4,0 {
+		status = "okay";
 
-	nand: nand@0 {
-		reg = <0>;
+		nand@0 {
+			reg = <0>;
+			nand-on-flash-bbt;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
 	};
 };