package/uhd: bump to version 4.3.0.0

- boost regex is not needed since
  https://github.com/EttusResearch/uhd/commit/f773cf9fb96e25d064f43cffdc893ac905d91f15
- Drop all patches (already in version) except first one which has been
  reverted by upstream:
  https://github.com/EttusResearch/uhd/commit/1a00949b19eaecb84af0f27c370400dc71a9fd84
- Add LGPL-3.0+ for fpga/usrp3:
  https://github.com/EttusResearch/uhd/commit/bafa9d95453387814ef25e6b6256ba8db2df612f
- N230 is not supported since
  https://github.com/EttusResearch/uhd/commit/d94140a4129d6b2153b15860eeb2406672ebb414
- RFNoC is not supported since
  https://github.com/EttusResearch/uhd/commit/7d69dcdcc318ccdf87038b732acbf2bf7c087b60

https://github.com/EttusResearch/uhd/blob/v4.3.0.0/CHANGELOG



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>