[LIB]: Make PowerPC LMB code generic so sparc64 can use it too.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/lib/Makefile b/lib/Makefile
index 23de261..61bba16 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -70,6 +70,8 @@
 
 lib-$(CONFIG_GENERIC_BUG) += bug.o
 
+obj-$(CONFIG_HAVE_LMB) += lmb.o
+
 hostprogs-y	:= gen_crc32table
 clean-files	:= crc32table.h