linux-user: spelling fixes: othe, necesary

Fixes: e34136d93059 "linux-user/ppc: Add vdso"
Fixes: 86f04735ac20 "linux-user: Fix brk() to release pages"
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2 files changed