phosphor-fan-presence: srcrev bump dfa8f11fe5..21dc91f693

Ed Tanous (1):
      Fix fmt violation

Matthew Barth (2):
      control:p10bmc:ibm,rainier-4u/1s4u - pcie slots & cards groups
      control:p10bmc:ibm,rainier-4u/1s4u - Add power mode group

Mike Capps (4):
      Monitor : handle inventory service offline
      Monitor: disable inventory svc dependency in systemd
      Control: fanctl should validate dumpfile output
      monitor: ibm3223 partial revert, restore service file dependency

Change-Id: I6d7b94f1fbb8e4a78b895f2916d23814d07938bb
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc b/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc
index 2610b9a..3ac64ec 100644
--- a/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc
+++ b/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/phosphor-fan-presence;branch=master;protocol=https"
-SRCREV = "dfa8f11fe5aacbc5c86db06e54f296bb6bab8a32"
+SRCREV = "21dc91f693b5b127c5f4fd4dbe881f9ba6827559"