package/collectd: add 'mdevents' option

The mdevents plugin is new since 5.12.0 and enabled by default in
collectd.

Add an option in Buildroot, disabled by default.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/collectd/Config.in

@@ -331,6 +331,11 @@ config BR2_PACKAGE_COLLECTD_MD
 	help
 	  Collects software-RAID device information.
 
+config BR2_PACKAGE_COLLECTD_MDEVENTS
+	bool "mdevents"
+	help
+	  Events from md (Linux Software RAID) devices.
+
 config BR2_PACKAGE_COLLECTD_MEMCACHEC
 	bool "memcachec"
 	depends on BR2_INSTALL_LIBSTDCPP

package/collectd/collectd.mk

@@ -94,6 +94,7 @@ COLLECTD_CONF_OPTS += \
 	$(if $(BR2_PACKAGE_COLLECTD_LOGSTASH),--enable-log_logstash,--disable-log_logstash) \
 	$(if $(BR2_PACKAGE_COLLECTD_LUA),--enable-lua,--disable-lua) \
 	$(if $(BR2_PACKAGE_COLLECTD_MD),--enable-md,--disable-md) \
+	$(if $(BR2_PACKAGE_COLLECTD_MDEVENTS),--enable-mdevents,--disable-mdevents) \
 	$(if $(BR2_PACKAGE_COLLECTD_MEMCACHEC),--enable-memcachec,--disable-memcachec) \
 	$(if $(BR2_PACKAGE_COLLECTD_MEMCACHED),--enable-memcached,--disable-memcached) \
 	$(if $(BR2_PACKAGE_COLLECTD_MEMORY),--enable-memory,--disable-memory) \