debug/gdb: fix for psim build failure due to -lz in gdb-7.2.
Signed-off-by: "Horst Kronstorfer" <horst.kronstorfer@aon.at>
[yann.morin.1998@anciens.enib.fr: fix space-damage]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
1 reporter_name="Remy Bohmer"
2 reporter_url="linux@bohmer.net"
3 reporter_comment="Example for building a toolchain for m68000 bare metal targets"