ARM: dts: am4372: Mark emif with ti,no-idle

We can never idle the emif hwmod from within the HLOS so mark the emif
node with ti,no-idle.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am4372.dtsi

@@ -247,6 +247,7 @@ emif: emif@4c000000 {
 			compatible = "ti,emif-am4372";
 			reg = <0x4c000000 0x1000000>;
 			ti,hwmods = "emif";
+			ti,no-idle;
 			sram = <&pm_sram_code
 				&pm_sram_data>;
 		};