aircrack-ng: bump to version 1.2

aircrack-ng: bump to version 1.2

- Remove patch (already in version)
- Add three patches (first one sent and merged upstream, second and
  third patchs retrieved upstream)
- Move to autotools-package
- Remove workaround for static handling of pthread as it isn't needed
  anymore
- Remove deactivation of libnl in static build as it isn't needed
  anymore
- Set libnl and zlib dependencies as optional and not mandatory
- Add duma and libgcrypt optional dependencies
- Update workaround for static handling of libpcap
- Add hash for license file

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