phosphor-power: srcrev bump 54b3ab9b3d..4c88a4c2c0

Shawn McCarney (1):
      regulators: Make inventory_path required property

Change-Id: I789458e2b08bf19fdf74f81e131a35f3ee6dda76
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/power/phosphor-power.inc b/meta-phosphor/recipes-phosphor/power/phosphor-power.inc
index 595f48a..4f502d3 100644
--- a/meta-phosphor/recipes-phosphor/power/phosphor-power.inc
+++ b/meta-phosphor/recipes-phosphor/power/phosphor-power.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/phosphor-power"
-SRCREV = "54b3ab9b3d89540fec3ef55001fc78133925ad98"
+SRCREV = "4c88a4c2c0420735b737c8641c51b34d1cfbb0c3"