pseq: Create UCD90160Device class

Create the UCD90160Device class in the phosphor-power-sequencer
application.

This class represents the UCD90160 power sequencer device.

Change-Id: If61ccef83b52625f3ebe9fdea88f5f80a5e61f9f
Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>
diff --git a/phosphor-power-sequencer/test/meson.build b/phosphor-power-sequencer/test/meson.build
index 21a4bb2..39bafc1 100644
--- a/phosphor-power-sequencer/test/meson.build
+++ b/phosphor-power-sequencer/test/meson.build
@@ -6,6 +6,7 @@
                 'pmbus_driver_device_tests.cpp',
                 'rail_tests.cpp',
                 'standard_device_tests.cpp',
+                'ucd90160_device_tests.cpp',
                 'ucd90320_device_tests.cpp',
                 'ucd90x_device_tests.cpp',
                 dependencies: [