community/ofono: upgrade to 2.2 and isimodem fixes

Upgrade to ofono 2.2, and cherry-pick isimodem patches [1][2] which are useful for some devices in postmarketOS.

[1] https://git.kernel.org/pub/scm/network/ofono/ofono.git/commit/?id=c5674b82d144d21cb874a8699bad129549b1797b [2] https://git.kernel.org/pub/scm/network/ofono/ofono.git/commit/?id=02b8710eff8a5bc7cf88ed0a1af73e08b96ce3be