amd/mct/ddr2: Remove orphaned Tab_TrefT_k variable

The orphaned Tab_TrefT_k causes a failure to build due to
an unused variable warning on GCC 6.  Remove this variable.

Change-Id: Ida680a6a3bc2b135755dd582da8c6edb8956b6ff
Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com>
Reviewed-on: https://review.coreboot.org/18094
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

0 files changed, 0 insertions, 0 deletions