fault-monitor: Add monitor-opertaional-status to meson.build

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I9ebe31773dc865b4ade9fbca985470d79d7dbe7a
diff --git a/meson_options.txt b/meson_options.txt
index 0ae13a5..f56d5d9 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,3 +1,4 @@
 option('tests', type : 'feature', description : 'Build tests', value: 'enabled')
 option('use-json', type : 'feature', description : 'LEDs JSON filepath', value: 'disabled')
-option('use-lamp-test', type : 'feature', description : 'LEDs lamp test configuration', value: 'disabled')
\ No newline at end of file
+option('use-lamp-test', type : 'feature', description : 'LEDs lamp test configuration', value: 'disabled')
+option('monitor-operational-status', type : 'feature', description : 'Enable OperationalStatus monitor', value: 'disabled')
\ No newline at end of file