Add two patches ([1], [2]) taken from the fedora syslinux package ([3]) to fix compile/linking with gcc-10.x compiler. [1] https://src.fedoraproject.org/rpms/syslinux/raw/rawhide/f/0005-Workaround-multiple-definition-of-symbol-errors.patch [2] https://src.fedoraproject.org/rpms/syslinux/raw/rawhide/f/0006-Replace-builtin-strlen-that-appears-to-get-optimized.patch [3] https://src.fedoraproject.org/rpms/syslinux/tree/rawhide Signed-off-by: Peter Seiderer <ps.report@gmx.net> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>