MMFMWK-8413: video/hdmi: Fix DRM info-frame packing

The hdmi_drm_infoframe_pack() was wrongly packing the HDR metadata. It
was setting the x display primaries followed by the y display primaries.
Instead, in the specifications, each x display primary should be
followed by the corresponding y display primary.

Also, byte 8 of the frame payload was being skipped. Fixed that too.

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Reported-by: Jared Hu <jared.hu@nxp.com>