Added I2C sensors ADT7481 and TMP411 with config
items and build rules.
BRANCH=none
BUG=
TEST=Define CONFIG_TEMP_SENSOR_ADT7481 or _TMP411
and build board.
Change-Id: I4d1eb55ee56ad3f42787538bb839193e683d0a60
Signed-off-by: Scott Worley <scott.worley@microchip.corp-partner.google.com>