phosphor-power: srcrev bump 4c88a4c2c0..a4d38fad70

Adriana Kobylak (2):
      psu-ng: Throw if gpio line is not found
      psu-ng: Move psu validation to event timer

Patrick Williams (2):
      catch exceptions as const
      build: switch to C++20

Change-Id: I27bd8586a5021ef7a42647025aeadc1953284ee5
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 4f502d3..7c747e0 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 = "4c88a4c2c0420735b737c8641c51b34d1cfbb0c3"
+SRCREV = "a4d38fad7049a0d1be8de965fc8dfa4154066406"