qemu: fix CVE-2021-3682

Source: https://git.yoctoproject.org/git/poky
MR: 112369
Type: Security Fix
Disposition: Backport from http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/meta/recipes-devtools/qemu?id=48960ce56265e9ec7ec352c0d0fcde6ed44569be


ChangeID: 799afc7adf3f2c915751744b618e38cccb01d854
Description:

(From OE-Core rev: e16cd155)

Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 48960ce56265e9ec7ec352c0d0fcde6ed44569be)
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>