fixup "Build-system support for creating host tools"
fixup libports (virtualbox libc support)
fixup libports (add include for x86emu)
fixup libports (libc-gen on ARM)
fixup libports (openssl download)

Use http instead of https to avoid certificate issues on Debian. We
check the SHA sum of the archive anyway.
Migrate ports-foc to new ports management
fixup libports (select_from_ports in libcrypto.mk)
dde_linux: Switch to new port mechanism
fixup libports (include qoost in test-qpluginwidget)
dde_ipxe: Switch to new port mechanism
fixup ports (binutils)
Migrate base-foc to new ports management
dde_linux: Set Raspberry Pi path correctly

@nfeske: Could you squash this into the dde_linux port commit from yesterday. Thx.
seoul: migrate to new ports management
fixup libports (ncurses.h)
fixup libports (libutil)
fixup libports (qt5/qt_avplay)
vbox: migrate to new ports management
fixup libports (gmp library on arm)