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/scripts/dtc/.gitignore b/scripts/dtc/.gitignore
new file mode 100644
index 0000000..095acb4
--- /dev/null
+++ b/scripts/dtc/.gitignore
@@ -0,0 +1,5 @@
+dtc
+dtc-lexer.lex.c
+dtc-parser.tab.c
+dtc-parser.tab.h
+