[M] Change in pysim[master]: Add FPLMN read and program

Attention is currently required from: lynxis lazus, matanp.

pespin has posted comments on this change. ( https://gerrit.osmocom.org/c/pysim/+/32712 )

Change subject: Add FPLMN read and program ......................................................................

Patch Set 5:

(1 comment)

File pysim-testdata/sysmoUSIM-SJS1.ok:

https://gerrit.osmocom.org/c/pysim/+/32712/comment/62e15cd9_e67814fc PS5, Line 108: 62f201 # MCC: 262 MNC: 010

I wonder how the 2 digit and 3 digit mnc is differentiated. […]

Related: see osmo_mnc_name_buf()

numbers > 99 are always 3 digits. - 2 digit < 99: repsentation 01..99 - 3 digit < 99: representation 001..099.

So this MNCs shown here should be 3 digit according to what I mention.