Squashed 'yocto-poky/' content from commit ea562de

git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/documentation/ref-manual/examples/hello-single/files/helloworld.c b/documentation/ref-manual/examples/hello-single/files/helloworld.c
new file mode 100644
index 0000000..fc7169b
--- /dev/null
+++ b/documentation/ref-manual/examples/hello-single/files/helloworld.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main(void)
+{
+	printf("Hello world!\n");
+
+	return 0;
+}