phosphor-power: srcrev bump b3853e2d3a..7dc31bb1f7

Add nlohmann-json dependency to fix build failure.

George Liu (1):
      Add an example JSON file based on power-supply

Lei YU (1):
      Add loadJSONFromFile() in utility

Change-Id: I617373558d1c24f9fcb4b10286c2bdb8c6a7e1d2
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
2 files changed