mmc: sdhci: support IRQ affinity

Vote for host irq affinity to be the same as
the cluster on which the mmcqd is currently scheduled.
This is towards gaining performance by upping
the probability that the cpu will already be awake
for the thread/irq when it is time for them to be
scheduled.

CRs-Fixed: 811981
Change-Id: I9f72e21b6b6d53afed2158f6063c7afc7b1d680f
Signed-off-by: Dov Levenglick <dovl@codeaurora.org>