package/gdb: disable simulator support for microblaze
The gdb simulator seems missing with the Xilinx fork of gdb.
Disable it for microblaze since only the Xilinx version of gdb is
currently available.
Fixes:
http://autobuild.buildroot.net/results/907/9079dad3f138c313a6abb40825baf4d9683a2422
Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Waldemar Brodkorb <mail@waldemar-brodkorb.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Romain Naour