Add remaining NAL unit type codes.
Add remaining NAL unit type codes.

- Fix incorrect type code for NAL_IDR_N_LP.

- Unused reserved type codes have been left out.

lu-zero/kvazaar,ultravideo/kvazaar,lu-zero/kvazaar,ultravideo/kvazaar,ultravideo/kvazaar,lu-zero/kvazaar,ultravideo/kvazaar,ultravideo/kvazaar,lu-zero/kvazaar