Add the phosphor-psu-monitor package to Rainier

Rainier plans on using the refactored power supply monitoring
application. Add that package to Rainier by appending it to the list.

Depends-On: I3c1aa4f0daac6a85bb60fc775a5c48dbf3ea203b
Change-Id: I9d40379e400f7a7e0ed09482d30a0de58591c316
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
1 file changed