Implement more verbose call_progress labels

[griffonboi]

Add some helpful information about voice call status. The 7th SU octet contains information about the beam and what is happening in general with the voice call.

Example call_progress SU labels to add:
0x30 0x78 0x0E 0xAB 0x82 0xD0 [0xE1] 0x00 0x04 0x00
0xE1 - Call_status -2db EIRP adjustment
(first four bits denote beam adjustment power)
(0 - none, 1,2,3 - +1,+2,+3 db respectively & D,E,F - -3,-2,-1 db respectively)

0x30 0x78 0x0C 0xAC 0x50 0xD0 [0x02] 0x00 0x00 0x00
0x02 - Call_connect

0x03 - Call_test

0x04 - Call_report (can also add class & cause values from pg 264-265 of the AMSS doc)

0x30 0x71 0xBE 0x34 0x50 0xD2 [0x05] 0x10 0x03 0x00
0x05 - Call_release

Could also add info from the 6th octet. First four bits mean:
D - General, E - Urgent, F - Distress

Last four bits mean app. id and can show which party initiated the call.
0-7 - Aircraft calling ground
8-F - Ground calling aircraft

Full example label when decoding the voice SUs could then be something like this:
0x30 0x7C 0x6B 0xC3 0x50 0xDB 0xE1 0x05 0x38 0x00 AES = 7C6BC3 GES = 50
General Call_status from ground -2db EIRP adjustment

[CasualArclamp]

This would be a great addition