libfdt: update from upstream dtc commit 142419e

commit 142419e "dtc/libfdt: sparse fixes", for u-boot's libfdt copy.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Cc: Jerry Van Baren <gvb.uboot@gmail.com>
diff --git a/lib/libfdt/fdt_sw.c b/lib/libfdt/fdt_sw.c
index 55ebebf..f422754 100644
--- a/lib/libfdt/fdt_sw.c
+++ b/lib/libfdt/fdt_sw.c
@@ -153,7 +153,7 @@
 
 int fdt_end_node(void *fdt)
 {
-	uint32_t *en;
+	fdt32_t *en;
 
 	FDT_SW_CHECK_HEADER(fdt);
 
@@ -213,7 +213,7 @@
 int fdt_finish(void *fdt)
 {
 	char *p = (char *)fdt;
-	uint32_t *end;
+	fdt32_t *end;
 	int oldstroffset, newstroffset;
 	uint32_t tag;
 	int offset, nextoffset;