phosphor-gevent.bb: bump version

Change-Id: I398184abc4532fb93e1574a96f9b222710aaa17b
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/interfaces/phosphor-gevent.bb b/common/recipes-phosphor/interfaces/phosphor-gevent.bb
index 508f395..5454b30 100644
--- a/common/recipes-phosphor/interfaces/phosphor-gevent.bb
+++ b/common/recipes-phosphor/interfaces/phosphor-gevent.bb
@@ -17,7 +17,7 @@
         "
 SRC_URI += "git://github.com/openbmc/phosphor-rest-server"
 
-SRCREV = "fce7756c4af482aa27ed77c5ef4b93d7d687d1f7"
+SRCREV = "56ad87f338efcabdfd2c99a1a6fa99bd94412b3e"
 
 S = "${WORKDIR}/git/servers/gevent"