Merge pull request #2 from jkangas/master

request for including basic pin state monitoring functionality to main branch
Merge pull request #3 from jkangas/master

Request for pulling PIN entering functionality to Rilmodem
Merge pull request #4 from jkangas/master

Request for pulling basic PIN locking and unlocking support in
Merge pull request #5 from jkangas/master

Request for pulling PIN unblocking support to Rilmodem
Merge pull request #6 from jkangas/master

Request for pulling PIN/PIN2 changing support to Rilmodem
Merge pull request #7 from jkangas/master

Request for pulling the radio settings basic implementation to main branch
[rilmodem] Remove libwaudio dependency.
[rilmodem] Don't update sim_data if pointer is NULL.

Fix segfault if function is called with NULL sim_data.
[rilmodem] Use empty strings instead of NULL for debug.

More strict compiler flags don't like it.
[ril] Fix segfault when wrong type pointer used.
[gril] Remove duplicate io channel setup functions.

Io channel is setup always when GRilIO is created and duplicate calls
break debug logging.
[rpm] Update packaging, include dundee.service.
Merge pull request #8 from jusa/dev

Build fixes, fixed segfault and logging.
[rilmodem][WIP] Enabling preferred network type query

Enables implementation of radio access tech preference
setting in Rilmodem

Signed-off-by: jussi.kangas@tieto.com