Revert "usb: dwc2: Skip clock gating on Broadcom SoCs"

Revert "usb: dwc2: Skip clock gating on Broadcom SoCs"

The commit d483f034f032 ("usb: dwc2: Skip clock gating on Broadcom SoCs")
introduced a regression on Raspberry Pi 3 B Plus, which prevents
enumeration of the onboard Microchip LAN7800 in case no external USB device
is connected during boot.

Fixes: d483f034f032 ("usb: dwc2: Skip clock gating on Broadcom SoCs")
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20241025103621.4780-2-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>