linux-gbmc: Backport adm1273 and adm1281 support ref: https://github.com/torvalds/linux/blob/master/drivers/hwmon/pmbus/adm1275.c Tested: hotswap_in | 11.79 Amps | ok hotswap_in | 555.50 Watts | ok hotswap_in | 29 degrees C | ok hotswap_in | 47.91 Volts | ok Fusion-Link: Platforms-Affected: all ttf Smoke-Bug-Id: 418641065 Google-Bug-Id: 418934313 Change-Id: I37d125435803163dcba5a50745303d7aaf8a5e15 Signed-off-by: Charles Hsu <charles.hsu@quanta.corp-partner.google.com> (cherry picked from commit b039dd52a6fb9990c6af8136d3e1a093870c9c58)