qtbase.inc: don't force ARM_INSTRUCTION_SET to arm

Forcing ARM_INSTRUCTION_SET to arm when building qtbase no longer
seems to be required.

Confirmed by forcing ARM_INSTRUCTION_SET to thumb and building
qtbase 5.1.1 and 5.2.1 tuned for both armv4t and cortexa9thf-neon.

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qtbase: configure with -openssl-linked instead of -openssl

Configure qtbase with -openssl-linked (instead of -openssl) to ensure
that run-time dependencies on libcryto and libssl are detected.

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qtwebkit-examples: add RDEPENDS for ca-certificates

If qtbase is configured with openssl support then the
qtwebkit browser example apps require CA certificates.

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>