sensor-monitor: support skip power checking

The threshold event is binding with power state currently.
Due to some sensors access will not depend on the power state.
Provide a new option to let user to disable it.

Change-Id: Ib232b889cde70082e3bd630ffbe6939eede474f8
Signed-off-by: Jerry C Chen <jerry.c.chen.wiwynn@gmail.com>
diff --git a/meson.options b/meson.options
index 3344cbd..21e3362 100644
--- a/meson.options
+++ b/meson.options
@@ -128,3 +128,9 @@
     'use-host-power-state', type: 'feature', value: 'disabled',
     description: 'Enable using the host power state for power state checks.'
 )
+
+option(
+    'skip-power-checking', type: 'feature', value: 'disabled',
+    description: 'Skip power state checking while sending threshold alarm event.'
+)
+