Add support to run c_rehash using SYSROOT environment variable,
so that it can create hashes for the certificates during rootfs
build phase of image creation.

Change-Id: Ib60d4f9c217334ab7abba98dc07efd2ef8d1c7a5
Task-number: QTEE-971
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

Gerrit Sanity Bot does not like tabs, so remove them from recipes.

Change-Id: Ic0bede29c9a4a01a2bd816e6771fafd76b2323e2
Reviewed-by: aavit <eirik.aavitsland@theqtcompany.com>

URL points to qt.io

Change-Id: I921e1f1ff506bff840cd13ed4bac21238347d98f
Reviewed-by: Kalle Viironen <kalle.viironen@digia.com>

From v1.6, yocto supports wildcards in .bbappend file names. This is
practical since we then don't have to rename them every time the
upstream version changes slightly. Also allows for support of earlier
poky versions.

Change-Id: Ib21e6fa1b56d11421c06af353c6ba848f38e07e0
Reviewed-by: Samuli Piippo <samuli.piippo@digia.com>

And make /usr/lib/ssl/certs symbolic link to /etc/ssl/certs,
so that ca-certificates are used.

Task-number: QTEE-502
Change-Id: Id673b5db066b184465425b56df9c1fa41e68fa70
Reviewed-by: Kalle Viironen <kalle.viironen@digia.com>