ARM: dts: AM33XX: Add ELM node

ELM hardware engine is used for locating bit-flips in NAND data
This patch is required for working of hardware based NAND ECC schemes
with DT support.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/am33xx.dtsi

@@ -404,6 +404,14 @@ wkup_m3: wkup_m3@44d00000 {
 			ti,hwmods = "wkup_m3";
 		};
 
+		elm: elm@48080000 {
+			compatible = "ti,am3352-elm";
+			reg = <0x48080000 0x2000>;
+			interrupts = <4>;
+			ti,hwmods = "elm";
+			status = "disabled";
+		};
+
 		gpmc: gpmc@50000000 {
 			compatible = "ti,am3352-gpmc";
 			ti,hwmods = "gpmc";