Add IPMI interface for CustomAccel service

Change-Id: I28a8976e382b457233ac521e9ab71f75abe029d1
Signed-off-by: Steve Foreman <foremans@google.com>
diff --git a/meson.build b/meson.build
index d6f5c96..ee34798 100644
--- a/meson.build
+++ b/meson.build
@@ -40,6 +40,7 @@
   'ipmi.cpp',
   'machine_name.cpp',
   'pcie_i2c.cpp',
+  'google_accel_oob.cpp',
   'psu.cpp',
   'util.cpp',
   implicit_include_directories: false,