hwmon: ina230: fix negative current reading

bug 1298931

Change-Id: If0037afb285b88dde11fe5f40def8f8fe9727c56
Signed-off-by: Xin Xie <xxie@nvidia.com>
Reviewed-on: http://git-master/r/235215
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
1 file changed