tree fbcf93be85590c15944aee9734611f131756236a
parent 253dc9b92ae5d37be464dbe137b3c3b392f0c3bb
author Brandon Wyman <bjwyman@gmail.com> 1502918874 -0500
committer Brandon Wyman <bjwyman@gmail.com> 1506712909 -0500

Add check for hwmon directory existence

For the power supplies, if a power supply is not present, the hwmon
subdirectory will not exist. Add in a check for directory existence to
avoid a termination.

Change-Id: I6e19e381602c2ef619c1e27f5ceacbf92c300cee
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>