arm: qcom: Add SMP support for MSM8226

Implement support for Cortex-A7 CPU release sequence in MSM8226 SoC.

Signed-off-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20210606201612.100752-3-bartosz.dudziak@snejp.pl


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>