fbdev: kyro: make some const read-only arrays static and reduce type size

Don't populate the const read-only arrays on the stack but instead
make them static const. Use smaller types to use less storage for
the arrays.  Also makes the object code a little smaller.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>