GBE: make all memory operation share same bti dependency.
GBE: make all memory operation share same bti dependency.

As we are going to support dynamic bti, it is impossible
to add the bti dependency. so just use one bti dependency,
that is to say, we don't change the memory instruction sequence
in instruction scheduler.

Signed-off-by: Ruiling Song <286a174c1339c6eff91abc41c3a1012c95030c95@intel.com>
Reviewed-by: Zhigang Gong <e04a7b9b70b1e4c6318cf117dcd1a9056e14b97a@intel.com>

wdv4758h/beignet,wdv4758h/beignet,wdv4758h/beignet,wdv4758h/beignet,wdv4758h/beignet