add the meson option for monitor collection freq

Add the meson option for health monitor collection frequency with a
default value of 1s.

Change-Id: I47a87c5b85eebc676239d1d3dcf90037f0bc56b1
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/meson.build b/meson.build
index 2c9848f..393f3b6 100644
--- a/meson.build
+++ b/meson.build
@@ -39,6 +39,7 @@
 
 conf_data = configuration_data()
 conf_data.set('HEALTH_CONFIG_FILE', '"/etc/healthMon/bmc_health_config.json"')
+conf_data.set('MONITOR_COLLECTION_INTERVAL', get_option('monitor-collection-interval'))
 
 configure_file(output : 'config.h',
                configuration : conf_data)