linux-phytec-fsl

usb: dwc3: st: add missing <linux/pinctrl/consumer.h> include

dwc3-st uses pinctrl_pm_select_*_state() however it
doesn't include the necessary header. Fix the build
break caused by that, by simply including the
missing header.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>