pinentry: Fix QA error
pinentry: Fix QA error

This fixes: WARNING: QA Issue: pinentry rdepends on libcap, but it isn't a build dependency? [build-deps]

Also add pkgconfig support.

Signed-off-by: Armin Kuster <525edcd226fb27e7f47fbb319a38fe989c677548@gmail.com>

edgeos/meta-security,akuster/meta-security,akuster/meta-security,edgeos/meta-security,edgeos/meta-security,akuster/meta-security,edgeos/meta-security,akuster/meta-security