[new uImage] Introduce lmb from linux kernel for memory mgmt of boot images

Introduce the LMB lib used on PPC in the kernel as a clean way to manage
the memory spaces used by various boot images and structures.  This code
will allow us to simplify the code in bootm and its support functions.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/lib_generic/Makefile b/lib_generic/Makefile
index 9713353..b10793b 100644
--- a/lib_generic/Makefile
+++ b/lib_generic/Makefile
@@ -34,6 +34,7 @@
 COBJS-y += ctype.o
 COBJS-y += display_options.o
 COBJS-y += div64.o
+COBJS-y += lmb.o
 COBJS-y += ldiv.o
 COBJS-y += sha1.o
 COBJS-y += string.o