Add gcc-pru package

[dinuxbg]

Note that binutils-pru must be accessible to sbuild.

Commands used for building: cd gcc-pru ./generate_source.sh ../tools/generate_dsc.sh ../tools/push_dsc_out.sh ../tools/build_deb.sh

Signed-off-by: Dimitar Dimitrov dinuxbg@gmail.com

[RobertCNelson]

@dinuxbg built and pushed out to the apt repo, build logs:

http://rcn-ee.homeip.net:81/farm/outgoing/jessie/armhf/gcc-pru_7.0.0.20160801-0rcnee0/

Thanks!