ARM: dts: msm: latencies and affinity masks for 8994 and 8992

To accomodate both big/little cluster voting for pm qos, add multiple
pm_qos planes. These planes will map out to big/little cluster
configurations based on the cpu-affinity-mask. In addition,
add an irq configuration.

Change-Id: I40234b00439ce5f7a6aba83064e0914a254317e4
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: Dov Levenglick <dovl@codeaurora.org>