Add interface for sending raw PECI commands

This adds a D-Bus interface to send raw PECI commands to the
CPU.

Change-Id: I37c8c0b9fc713705b3afc81adca22ca313e91701
Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
diff --git a/gen/com/intel/Protocol/meson.build b/gen/com/intel/Protocol/meson.build
new file mode 100644
index 0000000..b9af983
--- /dev/null
+++ b/gen/com/intel/Protocol/meson.build
@@ -0,0 +1,2 @@
+# Generated file; do not modify.
+subdir('PECI')