openpower-hw-diags: srcrev bump 15527a43fe..2923775f83

Zane Shelley (2):
      create fallback gtest subproject dependency
      update to C++20

Change-Id: Ib24afc3895504ea7e2d40ac5eaae1c53f9be939c
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/meta-openpower/recipes-phosphor/logging/openpower-hw-diags_git.bb b/meta-openpower/recipes-phosphor/logging/openpower-hw-diags_git.bb
index 040b26e..f8b8faa 100644
--- a/meta-openpower/recipes-phosphor/logging/openpower-hw-diags_git.bb
+++ b/meta-openpower/recipes-phosphor/logging/openpower-hw-diags_git.bb
@@ -15,7 +15,7 @@
 PV = "0.1+git${SRCPV}"
 
 SRC_URI = "git://github.com/openbmc/openpower-hw-diags"
-SRCREV = "15527a43fe309d3599d146d5a48607b14b426a37"
+SRCREV = "2923775f8356cc58e93a3e8d5d70958253de3808"
 
 S = "${WORKDIR}/git"