package/checksec: new package

This patch adds host-checksec package support. This tool provides a
script to offline check the properties of a security hardened elf file.

REF: https://github.com/slimm609/checksec.sh

Signed-off-by: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
[Thomas: add entry to DEVELOPERS file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
6 files changed