powerpc/booke: clear DBCR0_BT in user_disable_single_step()

BookE version of user_disable_single_step() clears DBCR0_IC for the
instruction completion debug, but did not also clear DBCR0_BT for the
branch taken exception.  This behavior was lost by the 2/2010 patch.

Signed-off-by: James Yang <James.Yang@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
James Yang 2013-07-05 14:49:43 -05:00 • committed by Scott Wood
commit 682775b8de