mmc: sdhci-msm: support IRQ affinity based on pm_qos

This change configures MMC interrupt affinity based
on pm_qos configuration.
This change allows the mmc interrupt to be served on the
same set of CPUs that the mmc thread is running.

Change-Id: I72fb6c717770856134dad1411b9e277b623cefd2
Signed-off-by: Talel Shenhar <tatias@codeaurora.org>