python3-qtpy: add recipe

Add recipe for python3-qtpy, it is needed for agl-demo-control-panel.

Bug-AGL: SPEC-4952

Change-Id: I1ce1bface3896e4760e4212593af49ff81b5165d
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/29343
ci-image-build: Jenkins Job builder account
Tested-by: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Reviewed-by: Lisandro Perez Meyer <lpmeyer@ics.com>
ci-image-boot-test: Jenkins Job builder account