ov5640_camera_mipi.ko works

- H.264 stream can be grabbed from /dev/video0 using: gst-launch -v mfw_v4lsrc num_buffers=250 capture_mode=5 ! queue ! vpuenc codec=avc quant=6 ! filesink location=./1080p.h264
- rst-gpois and pwn-gpois are copied from nitrogen6x and not verified!!