phosphor-ipmi-host.inc: bump version

Change-Id: Ic94e6927a705f4a21ff65712e67ef4bed32469fb
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc b/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc
index 4141bc7..5144065 100644
--- a/common/recipes-phosphor/ipmi/phosphor-ipmi-host.inc
+++ b/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 = "448e74e811d94a70793df9f036ec4d9a1bdb1501"
+SRCREV = "81b8d55ca161ad36d11b1b0de97f34887d2e569b"