powerpc: Have git ignore generated files from dtc compile

Have git ignore generated files from dtc compile

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore
index 2f50acd..3d80c3e 100644
--- a/arch/powerpc/boot/.gitignore
+++ b/arch/powerpc/boot/.gitignore
@@ -36,3 +36,13 @@
 zconf.h
 zlib.h
 zutil.h
+fdt.c
+fdt.h
+fdt_ro.c
+fdt_rw.c
+fdt_strerror.c
+fdt_sw.c
+fdt_wip.c
+libfdt.h
+libfdt_internal.h
+