drm/i915: Ocd the HSW PCI ID hex numbers

Most of the HSW PCI IDs are upper case hex numbers, but a
few are lower case. Make it consistent so these don't
stick out like a sore thumb.

Cc: Alexei Podtelezhnikov <apodtele@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716172106.2656-7-ville.syrjala@linux.intel.com


Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>