go: update to go 1.9

go: update to go 1.9

* Rebased patches
   - dropped armhf-elf patch, should no longer be needed
   - dropped syslog patch which should not have been imported to begin with
   - reworked other patches as needed for the updated code base

* Updated native, cross, cross-canadian .inc files to
  remove some testdata directories that contain .a files
  that strip chokes on during sysroot staging

Signed-off-by: Matt Madison <matt@madison.systems>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>