Parse set speed event groups

Adds the groups for a set speed event for each zone listed within the
event. The groups are for maintaining a cached property value.

Change-Id: I2de9cf62215f9861e8ea2e6807df11e6a04638fb
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/configure.ac b/configure.ac
index e698150..4958bc2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,6 +96,12 @@
        AC_DEFINE_UNQUOTED([FAN_ZONE_YAML_FILE], ["$FAN_ZONE_YAML_FILE"],
                           [The fan zone definition file to use])
 
+      AC_ARG_VAR(ZONE_EVENTS_YAML_FILE,
+                 [The zone events definition file to use])
+      AS_IF([test "x$ZONE_EVENTS_YAML_FILE" != "x"], [
+          AC_SUBST([ZONE_EVENTS_ARG], ["-e ${ZONE_EVENTS_YAML_FILE}"])
+      ])
+
        AC_ARG_VAR(FAN_ZONE_OUTPUT_DIR,
                   [The output directory for the generated fan zone data file])
        AS_IF([test "x$FAN_ZONE_OUTPUT_DIR" == "x"],
@@ -107,6 +113,7 @@
                 [$PYTHON ${srcdir}/control/gen-fan-zone-defs.py \
                          -f $FAN_DEF_YAML_FILE \
                          -z $FAN_ZONE_YAML_FILE \
+                         $ZONE_EVENTS_ARG \
                          -o $FAN_ZONE_OUTPUT_DIR])
        AC_CONFIG_FILES([control/Makefile])
 ])