xtensa: SMP: mark each possible CPU as present

Otherwise it is impossible to enable CPUs after booting with 'maxcpus'
parameter.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2019-01-19 00:26:48 -08:00
commit 8b1c42cdd7