libxtrxdsp-0.0.0+git.20181019-bp151.1.4

- Update to version 0.0.0+git.20181019:
  * make ARCH check valid for all x86 family
  * fix build for non-x86 targets
  * add 8 bit wire to 16 bit host transcoding
  * add i16i to iq translation
- Remove patch:
  * libxtrxdsp-disable-tests.patch

- Fix RPM groups.

- Initial package, version 0.0.0+git.20171206
- Add patches:
  * libxtrxdsp-disable-tests.patch
  * 0001-Make-xtrxdsp-compile-with-older-gcc-versions.patch