ARM: dts: am33xx: 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/am33xx.dtsi

@@ -964,6 +964,7 @@ emif: emif@4c000000 {
 			ti,hwmods = "emif";
 			sram = <&pm_sram_code
 				&pm_sram_data>;
+			ti,no-idle;
 		};
 
 		gpmc: gpmc@50000000 {