string: Compare strings without assigned number of characters

Currently Helios board is mistaken as Heli board.

BUG=b:136568791
TEST=manually test on a helios board,
mosys can identify the platform id correctly

Change-Id: Ibea88b78466a788e8c255b4727c6baaef5c40a8b
Signed-off-by: Philip Chen <philipchen@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1684260
Tested-by: Philip Chen <philipchen@chromium.org>
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@google.com>
1 file changed