phosphor-inventory-manager.inc: bump version

Change-Id: Iaad64bf5545dd88dd1ecd0898bced0e67cc1b8ae
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc b/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc
index 7ea5e7b..7c8a76a 100644
--- a/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc
+++ b/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI = "git://github.com/openbmc/phosphor-inventory-manager"
-SRCREV = "133ca13d8e23cf8cfa5e30ac67b69ca18130d4c1"
+SRCREV = "a8ff81549ebddfb317765bccd78add2a4488a377"