Generate board-specific gdb wrapper script.

This adds the code to generate gdb-${board}, the gdb wrapper script
that calls cros_gdb (in chromite) with the appropriate flags/options.

BUG=chromium:361767
TEST=Ran setup_board and it generated the wrapper script properly.

CQ-DEPEND=CL:234832

Change-Id: I6e2364ee80e9a3d618c297b075d52fb04e02631f
Reviewed-on: https://chromium-review.googlesource.com/234638
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Caroline Tice <cmtice@chromium.org>
Tested-by: Caroline Tice <cmtice@chromium.org>
1 file changed