drm/i915/dsi: debug log send packet sequence contents
This might help debug issues better than just debug logging the function
name.
v2: Debug log type as hex (Ville)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251029084603.2254982-2-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>