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: I1a218d044d8c42e4ec2a05be662c50f9947582af
Signed-off-by: Dov Levenglick <dovl@codeaurora.org>