[PATCH v4 3/3] mt7601u: use firmware_request_cache() to address cache on reboot

request_firmware_cache() will ensure the firmware is available on resume from suspend if on reboot the device retains the firmware. This optimization is in place given otherwise on reboot we have to reload the firmware, the opmization saves us about max 1s, minimum 10ms. Cantabile has reported

[PATCH v4 3/3] mt7601u: use firmware_request_cache() to address cache on reboot

request_firmware_cache() will ensure the firmware is available on resume from suspend if on reboot the device retains the firmware. This optimization is in place given otherwise on reboot we have to reload the firmware, the opmization saves us about max 1s, minimum 10ms. Cantabile has reported