phosphor-rest-server: srcrev bump 3a9a51c969..6691e7ca4e

Adriana Kobylak (1):
      rest_dbus: Add read-only property error

Matt Spinler (1):
      Explicitly convert dbus.Booleans to bools

Change-Id: I0265ab764325ffff6ffaea68b4080f9bd085e7d8
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-phosphor/interfaces/phosphor-rest.inc b/common/recipes-phosphor/interfaces/phosphor-rest.inc
index f33d1bd..46aeb8b 100644
--- a/common/recipes-phosphor/interfaces/phosphor-rest.inc
+++ b/common/recipes-phosphor/interfaces/phosphor-rest.inc
@@ -3,5 +3,5 @@
 LIC_FILES_CHKSUM = "file://${WORKDIR}/git/LICENSE;md5=fa818a259cbed7ce8bc2a22d35a464fc"
 
 SRC_URI += "git://github.com/openbmc/phosphor-rest-server"
-SRCREV = "3a9a51c969c2aeb7cceb7b2bee203a10afb2da95"
+SRCREV = "6691e7ca4e2adf52bac1fc3a82ed35adfce4349c"