hsi: nokia-modem: fix uninitialized device pointer

modem->device was never initialized. This resulted in logs such as:

[  241.386322] (NULL device *): CMT rst line change detected

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
1 file changed