pcsc-lite: not available for static builds

This package requires dlopen and checks for it in the configure phase.
If it's not present, then the build process is stopped.

Fixes:
   http://autobuild.buildroot.net/results/34b/34b83c3ea4a8aac6aeda225e5859bd318b13a676/



[Peter: propagate deps to reverse dependencies, merge toolchain comments]
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>