phosphor-ipmi-host.inc: bump version

Change-Id: Id4b303854987f25b7f95836743f6c625fa3de6b2
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc b/meta-phosphor/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc
index ca88f63..f2bbc19 100644
--- a/meta-phosphor/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc
+++ b/meta-phosphor/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=fa818a259cbed7ce8bc2a22d35a464fc"
 SRC_URI += "git://github.com/openbmc/phosphor-host-ipmid"
-SRCREV = "8991dd62b7678ce012c545de01d36959b6e5b940"
+SRCREV = "b647d5be78df54b3dab6a91476412474a6cb7e1d"