phosphor-fan: Fix a whitespace error

Change-Id: I499e8fd282cb7db33dbc88ad2c36aa52b9b94f86
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-phosphor/fans/phosphor-fan.bb b/common/recipes-phosphor/fans/phosphor-fan.bb
index f051404..04413e9 100644
--- a/common/recipes-phosphor/fans/phosphor-fan.bb
+++ b/common/recipes-phosphor/fans/phosphor-fan.bb
@@ -36,7 +36,7 @@
 # ${PN}-presence-tach specific configuration
 PACKAGECONFIG[presence] = " \
         --enable-presence \
-	FAN_DETECT_YAML_FILE=${STAGING_DIR_NATIVE}${presence_datadir}/config.yaml, \
+        FAN_DETECT_YAML_FILE=${STAGING_DIR_NATIVE}${presence_datadir}/config.yaml, \
         --disable-presence, \
         virtual/phosphor-fan-presence-config \
         , \