drm/i915/hdcp: Fix IS_METEORLAKE usage for HDCP line rekeying

Replace IS_METEORLAKE usage with a more appropriate macro. While
we are at it also add the stepping restrictions for other platforms.

Fixes: 6a3691ca

 ("drm/i915/hdcp: Disable HDCP Line Rekeying for HDCP2.2 on HDMI")
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527052118.1624216-2-suraj.kandpal@intel.com