.gitignore for generated files in api_examples directory

Add .gitignore for generated files in api_examples directory

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/api_examples/.gitignore b/api_examples/.gitignore
new file mode 100644
index 0000000..272816f
--- /dev/null
+++ b/api_examples/.gitignore
@@ -0,0 +1,7 @@
+crc32.c
+ctype.c
+demo
+demo.bin
+ppcstring.S
+string.c
+vsprintf.c