phosphor-fan-presence: srcrev bump 7072237b9a..bff172aa07

Matthew Barth (1):
      power_state: Catch DBusServiceError and wait

Change-Id: I3251a2662ff91c17e4db7f7933c8946a2d30caf4
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 950a711..187f38b 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"
-SRCREV = "7072237b9a2bbea7d800c81a09f376a57cb17413"
+SRCREV = "bff172aa0785c017e1950e6c6fdf8e6ff76701eb"