Add support for the MicroBlaze architecture

* configure.ac: Recognize MicroBlaze.
* linux/microblaze/syscallent.h: New file.
* Makefile.am (EXTRA_DIST): Add linux/microblaze/syscallent.h
* process.c (change_syscall, struct_user_offsets): Add MicroBlaze
support.
* signal.c (sys_sigreturn): Likewise.
* syscall.c (internal_syscall, get_scno, syscall_fixup, get_error,
syscall_enter): Likewise.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
6 files changed