intel_dsi::port_bits is unused since commit 
369602d370fa (drm/i915: Add
support for port enable/disable for dual link configuration) and ::hs is
unused likely since commit 
063c86f60ad4 (drm/i915/dsi: remove
intel_dsi_cmd.c and the unused functions therein). Drop them.
Found by https://github.com/jirislaby/clang-struct.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240216065326.6910-4-jirislaby@kernel.org
                u16 phys;       /* ICL DSI */
        };
 
-       /* if true, use HS mode, otherwise LP */
-       bool hs;
-
        /* virtual channel */
        int channel;
 
        bool bgr_enabled;
 
        u8 pixel_overlap;
-       u32 port_bits;
        u32 bw_timer;
        u32 dphy_reg;