ARM64: dts: bcm283x: Use dtsi for USB host mode

In case dr_mode isn't passed via DT, the dwc2 driver defaults
to OTG mode. But the Raspberry Pi 3 is designed only for host mode.
So fix this issue by linking to the dtsi file which set the dr_mode
to host.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>

arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts

@@ -2,6 +2,7 @@
 #include "bcm2837.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,3-model-b", "brcm,bcm2837";

arch/arm64/boot/dts/broadcom/bcm283x-rpi-usb-host.dtsi

+../../../../arm/boot/dts/bcm283x-rpi-usb-host.dtsi
\ No newline at end of file