SPARC: Added generic support for SPARC architecture.

MAKEALL

Makefile

README

examples/Makefile

examples/sparc.lds

examples/stubs.c

include/asm-sparc/asi.h

include/asm-sparc/asmmacro.h

include/asm-sparc/atomic.h

include/asm-sparc/bitops.h

include/asm-sparc/byteorder.h

include/asm-sparc/cache.h

include/asm-sparc/errno.h

include/asm-sparc/global_data.h

include/asm-sparc/io.h

include/asm-sparc/irq.h

include/asm-sparc/machines.h

include/asm-sparc/page.h

include/asm-sparc/posix_types.h

include/asm-sparc/processor.h