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/imx6qp.dtsi b/arch/arm/dts/imx6qp.dtsi
index 5f51f8e..93b89dc 100644
--- a/arch/arm/dts/imx6qp.dtsi
+++ b/arch/arm/dts/imx6qp.dtsi
@@ -18,7 +18,7 @@
 			clocks = <&clks IMX6QDL_CLK_OCRAM>;
 		};
 
-		aips-bus@2100000 {
+		bus@2100000 {
 			pre1: pre@21c8000 {
 				compatible = "fsl,imx6qp-pre";
 				reg = <0x021c8000 0x1000>;