drivers/gpio_keys: Add label to set input device name
Added the label field to the gpio_keys _DSD so that the kernel driver
can use a meaningful name instead of the generic _HID PRP0001.
BUG=b:
184593945
BRANCH=puff
TEST=build image and verify with evtest on puff:
/dev/input/event3: mic_mute_switch
UI event_device_info receives the proper name.
Change-Id: I0377851b9cf23bab31930aed6e7de91b4ac3505b
Signed-off-by: Ben Zhang <benzh@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54332
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>