scd: Fix Cherry ST-2000 support for pinpad input.
* scd/apdu.c (pcsc_vendor_specific_init): Set pinmax to 15. * scd/ccid-driver.c (ccid_transceive_secure): Add zero for the template of APDU.
(backport from 2.1 commit 444e9232aa9e00aacd939cbf7bdb881b550dfebe)