openpower-occ-control.inc: bump version

Change-Id: I4e84ce5c850efb1139dca452ad2d6730b468a737
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.inc b/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.inc
index 92a3af0..40fb446 100644
--- a/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.inc
+++ b/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/openpower-occ-control"
-SRCREV = "6c56a4a82863859d0d593621dc86f2a576440e77"
+SRCREV = "18dc1281fe5af83c1dbb9c8895d7af824d2c1856"