ARM64: Select MSM_DEVFREQ_CPUBW for MSM targets

Select PM_DEVFREQ and MSM_DEVFREQ_CPUBW to enable CPU to DDR bandwidth
voting on MSM targets.

Change-Id: I23616203107cbefc9f376003f75e1b16b6541be0
Signed-off-by: Junjie Wu <junjiew@codeaurora.org>