ARM: qcom: clean-up unneeded kconfig selects

Multi-platform support implies all these options are already selected and
individual platforms don't need to select them.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: David Brown <davidb@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org