xtensa: move invalid unaligned instruction handler closer to its users
xtensa: move invalid unaligned instruction handler closer to its users

With this change a threaded jump from .Linvalid_instruction_load to
.Linvalid_instruction can be removed and more code may be added to
common load/store exit path.

Signed-off-by: Max Filippov <8c5ea195856807f4f02a6e0749c87ea6b7375f38@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs