Blackfin: decode new syscalls

* linux/bfin/syscallent.h: Add fanotify/prlimit/cacheflush syscalls.
* linux/syscall.h: Add sys_cacheflush() decl.
* system.c: Decode Blackfin's cacheflush syscall.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
3 files changed