* config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
        -Acpu and -Amachine.h.
        * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
        Corrected header to say ELF not a.out.
        * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
        when given -msoft-float.

From-SVN: r44328