dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles

Add compatibles for MSM8996 and APQ8096 and all supported devices
that have them.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>