qt5: upgrade from 5.2.1 to 5.3.0

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qtenginio, qtwebsockets: Add 2 new modules and include them in packagegroup-qt5-toolchain-target

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
recipes-git: Upgrade to latest origin/stable

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
recipes-git: Use LIC_FILES_CHKSUM from .inc files

* the old checksum was introduced in .inc files in upgrade of
  tarball recipes to 5.3.0, use that until it's updated in
  git recipes and then we'll have to move old checksum from .inc
  to release recipe only.

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>