phosphor-fan.inc: bump version

Change-Id: I2ebd8677f775b9fe27de0c63a5d1fbbf44a92048
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/common/recipes-phosphor/fans/phosphor-fan.inc b/meta-phosphor/common/recipes-phosphor/fans/phosphor-fan.inc
index 208469b..9cae7e1 100644
--- a/meta-phosphor/common/recipes-phosphor/fans/phosphor-fan.inc
+++ b/meta-phosphor/common/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 = "12e25b6045014bd103dbd112cfd5beb172b82722"
+SRCREV = "771659fcd288e40eda8fb80fe04f32b5d18d3599"