TI shared transport: constants naming update

TI shared transport: constants naming update

BZ: 21477

This patch addresses some of the hard coded constants present in
TI code and gives them a proper name.

Change-Id: If12502dc91acd9d681173583178fe898fc2fc6f5
Signed-off-by: Fabien Peix <fabienx.peix@intel.com>
Reviewed-on: http://android.intel.com:8080/36091
Reviewed-by: Suet, Nicolas <nicolas.suet@intel.com>
Reviewed-by: Gross, Mark <mark.gross@intel.com>
Tested-by: Zurmely, PierreX <pierrex.zurmely@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>