ARM: dts: imx: use generic name bus

Synchronize the u-boot and kernel imx device trees, using tuned
script from commit c0157bdcafa1 ("ARM: dts: imx: use generic name bus")

Per devicetree specification, generic names are recommended to be
used, such as bus.

i.MX AIPS is an AHB - IP bridge bus, so we could use bus as node
name.

Script:
sed -i "s/\<aips@/bus@/" arch/arm/dts/imx*.dtsi
sed -i "s/\<aips@/bus@/" arch/arm/dts/vf*.dtsi
sed -i "s/\<aips-bus@/bus@/" arch/arm/dts/imx*.dtsi
sed -i "s/\<aips-bus@/bus@/" arch/arm/dts/vf*.dtsi

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/dts/imx53-m53menlo-u-boot.dtsi b/arch/arm/dts/imx53-m53menlo-u-boot.dtsi
index bc4b348..869adb9 100644
--- a/arch/arm/dts/imx53-m53menlo-u-boot.dtsi
+++ b/arch/arm/dts/imx53-m53menlo-u-boot.dtsi
@@ -7,7 +7,7 @@
 	soc {
 		u-boot,dm-pre-reloc;
 
-		aips@50000000 {
+		bus@50000000 {
 			u-boot,dm-pre-reloc;
 		};
 	};