lmb: Fix compile warning

lib/lmb.c: In function 'lmb_dump_all':
lib/lmb.c:51: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'u64'

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

lib/lmb.c

@@ -48,7 +48,8 @@ void lmb_dump_all(void)
 	}
 
 	pr_info("    reserved.cnt	  = 0x%lx\n", lmb.reserved.cnt);
-	pr_info("    reserved.size	  = 0x%lx\n", lmb.reserved.size);
+	pr_info("    reserved.size	  = 0x%llx\n",
+	    (unsigned long long)lmb.memory.size);
 	for (i=0; i < lmb.reserved.cnt ;i++) {
 		pr_info("    reserved.region[0x%lx].base       = 0x%llx\n",
 		    i, (unsigned long long)lmb.reserved.region[i].base);