ARM: dts: msm: Change l2 core power on sequences for msmtitanium

Add proper ACC register regions for Application
Clock Controller(ACC) for all cpus in msmtitanium target.
Also change the enable-method from "spin-table" method to
"qcom,titanium-arm-cortex-acc" for power on sequence.

Change-Id: I09df2beb021637b07bc1260eef93dd6642107eac
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>