Add patching support for RGB565 images.
Add patching support for RGB565 images.

... and because of consistency considerations, since *this* format actually isn't BGR either.

thpatch/thcrap,thpatch/thcrap,thpatch/thcrap,VBChunguk/thcrap,thpatch/thcrap,VBChunguk/thcrap,thpatch/thcrap,VBChunguk/thcrap