arm64: dts: hisilicon: normalize the node name of the usb devices

Change the node name of the usb devices to match "^usb(@.*)?". These errors
are detected by generic-ehci.yaml and generic-ohci.yaml.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>