This fixes possible shared EMM messages composing issues when multiple
streams are sending EMMs to the card reader. Just make sure, that both
parts of compose messages are from one "stream".
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Add CAID filter to identify the correct reader for EMM messages. Previous
code sent all EMMs to all readers with different CAIDs but same CAS system.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>