ARM: dts: msm: Enable QoS settings programming for sdm670

Bus driver requires to set the QoS parameters like QoS mode
and priorities, so enable the QoS parameter programming and
also add the required clocks for QoS register access.

Change-Id: Id353d3745fdaf704b8a286cf51345e7ba0af32a0
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>