compose table: also assume we have the basic modifiers

Signed-off-by: Mattias Andrée <maandree@operamail.com>
mds-kbdc will need multiple .c files + .h files are not required during linking

Signed-off-by: Mattias Andrée <maandree@operamail.com>
split mds-kbdc

Signed-off-by: Mattias Andrée <maandree@operamail.com>