phosphor-logging: srcrev bump 757c0ef3d5..a6c4ba7d4d

Matt Spinler (1):
      PEL: Use uppercase hex in message registry

Change-Id: I0a48eec99ff9969480c571966da252685644c31d
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb b/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
index 9c723b7..d0f8302 100644
--- a/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
+++ b/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
@@ -16,7 +16,7 @@
 DEPENDS += "sdeventplus"
 DEPENDS += "packagegroup-obmc-yaml-providers"
 DEPENDS += "dbus"
-SRCREV = "757c0ef3d507678f53ea73c8fcf7182aee8d39fc"
+SRCREV = "a6c4ba7d4d3694dc2d6da98331a1d4f731bac16b"
 PACKAGECONFIG ??= ""
 PACKAGECONFIG[openpower-pels] = " \
         -Dopenpower-pel-extension=enabled, \