phosphor-inventory-manager.inc: bump version

Change-Id: Ie304a07eb86db4dafece07c530edaffd0fc61447
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc b/meta-phosphor/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc
index 2dd2ed2..71d5d8f 100644
--- a/meta-phosphor/common/recipes-phosphor/inventory/phosphor-inventory-manager.inc
+++ b/meta-phosphor/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 = "6211a430c196bcecbefb9bf52ab99e372e6006a8"
+SRCREV = "615b2a8f8cc0cffc5773cb40f7f3d74b8ea1e81f"