[chirp_devel] Add new radio Icom IC-E90/T90/T90A

[Dan Smith]

> thanks for testing. Attached is the updated patch for icf.py. Please let me know
> whether it's OK for you. If yes, I will send the patch adding IC-E90 support

I've applied this, so please send the radio patch. I had to add a bug to this per our process. I used #6721. Please make sure your radio patch has the bug mention in it so I can direct apply it.

Thanks!

--Dan