grub: clean up CVE patches
Clean up several patches introduced in commit
6732918498 ("grub:fix
several CVEs in grub 2.04").
1) Add CVE tags to individual patches.
2) Rename upstream patches and prefix them with CVE tags.
3) Add description of reference to upstream patch.
Signed-off-by: Yongxin Liu <yongxin.liu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
bcb8b6719beaf6625e6b703e91958fe8afba5819)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
