drm/edid: make read-only const array static

Don't populate the const array on the stack, instead make it static.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230627170109.751829-1-colin.i.king@gmail.com