[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/Kconfig b/lib/Kconfig
index ba3d104..2d53dc0 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -141,4 +141,7 @@
 config CHECK_SIGNATURE
 	bool
 
+config HAVE_LMB
+	boolean
+
 endmenu