powerpc/mpc85xx: Clear L1 D-cache lock

dcbi instruction has been used to clear D-cache lock. However, the cache
lock is persistent for e6500 core. Use dcblc to clear the lock explicitly.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
1 file changed