xtensa: use DWARF_DEBUG in the vmlinux.lds.S

Xtensa doesn't have anything custom in its debug sections list. Use
macro DWARF_DEBUG instead of opencoding it.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2018-10-29 18:30:46 -07:00
commit 1026ded693