net: tcp: Fix TCP trace value debug

The TCP trace values were not printed because of incorrect
config option used. Print also seq and ack values in decimal
in order to make it easier to correlate the values in other
prints in tcp.c.

Change-Id: I44d1535a84dcba8c6c937d348516ba801193ca23
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>