phosphor-logging: srcrev bump 52a4980c50..5991389ad6

Matthew Barth (1):
      Allow polling for journal sync

(From meta-phosphor rev: 0db46354ab73fa39c9b8aa957813d83dccf8b0d1)

Change-Id: I735de1e31902a759fe1401e582642b7366d473d2
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb b/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
index 3279fbe..7854004 100644
--- a/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
+++ b/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
@@ -54,7 +54,7 @@
 "
 
 SRC_URI += "git://github.com/openbmc/phosphor-logging"
-SRCREV = "52a4980c5024e8a812e4c69942a4aeb315904870"
+SRCREV = "5991389ad6d029f3c2a0662097e10c2f0693c974"
 
 S = "${WORKDIR}/git"