[ Upstream commit bc743f34 ]

We cannot use ubi_* logging functions before the UBI
object is initialized.

Cc: <stable@vger.kernel.org>
Fixes: 32608703 ("UBI: Extend UBI layer debug/messaging capabilities")
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>