debug/gdb: --disable-sim for CT_GDB_CROSS.
sim was already disabled for CT_GDB_NATIVE.
Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
[yann.morin.1998@anciens.enib.fr: make it a config option]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
1 reporter_name="Harold Grovesteen"
2 reporter_url="http://sourceware.org/ml/crossgcc/2009-11/msg00052.html"