Add feature Cold Redundancy

Add an Intel specific feature PSU Cold Redundancy. This is the first patch
which will get PSU information and PSU Event from D-Bus interfaces.
Cold Redundancy design document is in
https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/27637

Signed-off-by: Cheng C Yang <cheng.c.yang@linux.intel.com>
Change-Id: Ic039118e4cebc8b0ff6ba80493180a1d8af0096b
diff --git a/cold-redundancy/meson.build b/cold-redundancy/meson.build
new file mode 100644
index 0000000..1558de6
--- /dev/null
+++ b/cold-redundancy/meson.build
@@ -0,0 +1,18 @@
+cold_redundancy = executable(
+    'cold-redundancy',
+    'redundancy_main.cpp',
+    'cold_redundancy.cpp',
+    'util.cpp',
+    dependencies: [
+        phosphor_dbus_interfaces,
+        phosphor_logging,
+        sdbusplus,
+        systemd,
+        pthread,
+    ],
+    include_directories: [
+        '.',
+        '..',
+    ],
+    install: false,
+)