usb: gadget: Fix Unbalanced pm_runtime_enable in tegra_xudc_probe

usb: gadget: Fix Unbalanced pm_runtime_enable in tegra_xudc_probe

commit 5b01248156bd75303e66985c351dee648c149979 upstream.

Add missing pm_runtime_disable() when probe error out. It could
avoid pm_runtime implementation complains when removing and probing
again the driver.

Fixes: 49db427232fe ("usb: gadget: Add UDC driver for tegra XUSB device mode controller")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20210618141441.107817-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>