tools_def: add GCC47 configuration to BaseTools/Conf template
tools_def: add GCC47 configuration to BaseTools/Conf template

The GCC 4.7 configuration needs to remove the -melf_x86_64 option from the
assembler command line.  Invalid -m options are now reported as errors even
when not compiling, rather than being ignored.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: f3880c1fc5096ce2109c8aec392d8e07f619f417@2550 c2973edb-eda0-4c78-bc6a-9341b269661f

tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools,tianocore/buildtools-BaseTools,tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools