pseq: Create phosphor-power-sequencer application

Create the initial version of the phosphor-power-sequencer application.

Update or create meson and README files to support.

Signed-off-by: Jim Wright <jlwright@us.ibm.com>
Change-Id: I385358cc601448a35b3aae9bfa1c6488f1512c59
diff --git a/meson_options.txt b/meson_options.txt
index 418320a..10710b2 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -60,6 +60,10 @@
     description: 'Enable support for power sequencer control'
 )
 option(
+    'sequencer-monitor-ng', type: 'boolean',
+    description: 'Enable support for power sequencer control utilizing JSON configuration and supporting multiple systems in a single build image'
+)
+option(
     'utils', type: 'boolean',
     description: 'Enable support for power supply utilities'
 )