Check PCSC configuration using pkg-config

Use PKG_CHECK_MODULES(PCSC, ...) in configure.ac to find the PCSC
compilation flags
Use @PCSC_*@ flags in Makefile.am
The PC/SC header file is winscard.h

pcsclite.h should not be used
replaced SCARD_AUTOALLOCATE with manual allocation
removed autogenerated mifare-desfire-info-pcsc from git