freerdp: Make PCSC dependency optional
freerdp: Make PCSC dependency optional

The PCSC is used for smartcard forwarding, make this optional as
not all users need this functionality and it pulls in considerable
amount of dependencies. Keep this enabled by default to retain
backward compatibility.

Signed-off-by: Marek Vasut <f40600653b33f5282fa4c5daf377dfc444fb4625@denx.de>
Cc: Alexander Kanavin <60c6d277a8bd81de7fdde19201bf9c58a3df08f4@linutronix.de>
Cc: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>
Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

schnitzeltony/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,schnitzeltony/meta-openembedded