board_status.sh: Double quote variables to prevent globbing and word splitting.

Quoting variables prevents word splitting and glob expansion, and
prevents the script from breaking when input contains spaces, line
feeds, glob characters and such.

See shellcheck warning SC2086.

Change-Id: I7256d2fc2a22bce7723950a534fef6d57cbd097f
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12761
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed