drivers: usb: Fix a typo in dwc3-qcom.c

This patch fix a spelling typo in dwc3-qcom.c

Signed-off-by: He Fengqing <hefengqing@huawei.com>
Link: https://lore.kernel.org/r/20210316041430.2203546-1-hefengqing@huawei.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>