Blackfin: pull io funcs from linux

Some common code uses more of the io.h funcs than we currently provide, so
pull in all of the ones from the linux kernel.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/lib_blackfin/Makefile b/lib_blackfin/Makefile
index cbf47f0..eebb131 100644
--- a/lib_blackfin/Makefile
+++ b/lib_blackfin/Makefile
@@ -31,10 +31,12 @@
 
 LIB	= $(obj)lib$(ARCH).a
 
+SOBJS-y	+= ins.o
 SOBJS-y	+= memcmp.o
 SOBJS-y	+= memcpy.o
 SOBJS-y	+= memmove.o
 SOBJS-y	+= memset.o
+SOBJS-y	+= outs.o
 
 COBJS-y	+= board.o
 COBJS-y	+= boot.o