qemu: add PACKAGECONFIG for vnc, libcurl, nss, uuid, curses, gtk+, libcap-ng
Use PACKAGECONFIG to explicitly address vnc, libcurl, nss, uuid, curses, gtk+,
libcap-ng dependencies rather than tested by configure.
It avoided potential errors while multiple builds shared a common state_cache.
(From OE-Core master rev:
4482af07df26644885bae49b98f5d765a5caa68c)
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>