lmb: fix "implicit declaration of function 'lmb_free'" warning

Signed-off-by: Wolfgang Denk <wd@denx.de>

include/lmb.h

diff --git a/include/lmb.h b/include/lmb.h
index 03d7667..0283075 100644
--- a/include/lmb.h
+++ b/include/lmb.h
@@ -43,6 +43,7 @@
 extern phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align,
 			      phys_addr_t max_addr);
 extern int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr);
+extern long lmb_free(struct lmb *lmb, u64 base, u64 size);
 
 extern void lmb_dump_all(struct lmb *lmb);
 

lib_ppc/bootm.c

diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c
index 9db1c2e..3c1c18b 100644
--- a/lib_ppc/bootm.c
+++ b/lib_ppc/bootm.c
@@ -212,7 +212,7 @@
 		}
 
 		/* Delete the old LMB reservation */
-		lmb_free(lmb, of_flat_tree, fdt_totalsize(of_flat_tree));
+		lmb_free(lmb, (uint64_t)of_flat_tree, fdt_totalsize(of_flat_tree));
 
 		/* Calculate the actual size of the fdt */
 		actualsize = fdt_off_dt_strings(of_flat_tree) +