* libc/sys/linux/include/netdb.h, libc/sys/linux/net/getaddrinfo.c,
	libc/sys/linux/net/getnameinfo.c: Add restrict keyword to getnameinfo()
	and getaddrinfo() to increase standards compliance and match glibc.

	* libc/include/string.h, libc/string/memccpy.c, libc/string/memcpy.c,
	libc/string/stpcpy.c, libc/string/stpncpy.c, libc/string/strcat.c,
	libc/string/strncat.c, libc/string/strncpy.c, libc/string/strtok.c,
	libc/string/strtok_r.c, libc/string/strxfrm.c
	libc/machine/microblaze/strcpy.c, libc/machine/xscale/memcpy.c,
	libc/machine/cris/memcpy.c: Add __restrict to prototype to
	increase standards compliance.
	* microblaze/_exception_handler.S: Adjust to be weak.

	* microblaze/Makefile.in: Add LINUX_BSP.
	* microblaze/elf-gloss-linux.ld: New file.
	* microblaze/elf-gloss-linux.specs: Likewise.
	* microblaze/linux-crt0.S: Likewise.
	* microblaze/linux-inbyte.c: Likewise.
	* microblaze/linux-outbyte.c: Likewise.
	* microblaze/linux-syscalls-wrap.c: Likewise.
	* microblaze/linux-syscalls.S: Likewise.
	* microblaze/linux-syscalls.h: Likewise.