pseq: Add service file

Add service file for power control and power sequence monitoring
combined application. Change meson build files to support.

Signed-off-by: Jim Wright <jlwright@us.ibm.com>
Change-Id: I0c06b0b66c7d02145516564dc98123a4633498b3
diff --git a/meson.build b/meson.build
index a9d0183..8ec5d09 100644
--- a/meson.build
+++ b/meson.build
@@ -57,6 +57,7 @@
     ['regulators', 'phosphor-regulators-config.service'],
     ['regulators', 'phosphor-regulators-monitor-enable.service'],
     ['regulators', 'phosphor-regulators-monitor-disable.service'],
+    ['power-control', 'phosphor-power-control.service'],
 ]
 
 foreach service : services
@@ -130,7 +131,7 @@
 if get_option('sequencer-monitor')
     subdir('power-sequencer')
 endif
-if get_option('sequencer-monitor-ng')
+if get_option('power-control')
     subdir('phosphor-power-sequencer')
 endif
 if get_option('supply-monitor')