phosphor-fan-presence: srcrev bump c83457ab18..7f4c548dbf

Matthew Barth (1):
      Support sensor value property to type double

Change-Id: Id9ba62866fd0586e5b8dd5e9135bd35c718e9eac
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/recipes-phosphor/fans/phosphor-fan.inc b/recipes-phosphor/fans/phosphor-fan.inc
index ac96f36..2a8288a 100644
--- a/recipes-phosphor/fans/phosphor-fan.inc
+++ b/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 = "c83457ab1852a34d4ab51060bdde6f197efdd03e"
+SRCREV = "7f4c548dbf7df0f77b9b4672278d56b846f02ccc"