wiringpi: Add new package

Commit created from merging:
https://github.com/SaskatoonTechworks/meta-raspberrypi/commit/c8046050db1f0026c1f10e41d95619d86ac7a822
https://github.com/SaskatoonTechworks/meta-raspberrypi/commit/fe2467c0e82ff3d243993bdffde6a24754c3a7f6
https://github.com/SaskatoonTechworks/meta-raspberrypi/commit/72f7705cbac99b834654894b545d5fa431a13b51

Added some minor changes:
* remove PR
* remove tabs

Change-Id: Ia430db732e6c9662f71eca2433d03cce738ca23f
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
Merge "wiringpi: Add new package"