sim: Add functionality needed for phonebook import

Add capability to read file meta data
Add support for reading random records
include: Add new functions for SIM reading
rilmodem: Add phonebook import driver

The rilmodem phonebook driver is based on Jolla's implementation,
concretely on the version at commit

https://github.com/nemomobile-packages/ofono/commit/d25fd17f09a5d32fd80f429179469eb71b722cdc
(Author: Jussi Kangas)

The code has been extensively re-factored though.
build: Add rilmodem phonebook atom

The rilmodem phonebook atom is based on Jolla's implementation,
concretely on the version at commit

https://github.com/nemomobile-packages/ofono/commit/d25fd17f09a5d32fd80f429179469eb71b722cdc

The original author is Jussi Kangas. This implementation has extensively
re-factored the original code.
rilmodem: Register phonebook atom
ril: Create phonebook atom
mtk: Create phonebook atom
Merge pull request #68 from alfonsosanchezbeato/phonebook-import

Phonebook import