seat: add some more debug output
seat: add some more debug output

Change-Id: I1447dc0b19c53eb81ef24e11692479b0fc7b645d

zhengcq315/tlm,01org/tlm,avalluri/tlm,zhengcq315/tlm,01org/tlm,ipuustin/tlm,avalluri/tlm,ipuustin/tlm,again4you/tlm,again4you/tlm