ARM: dts: msm: Remove static limiting of CPU for msm8994

Static limiting of the CPU master port bus traffic was introduced to
workaround some concurrency issues, remove this change as the concurrency
issues have been addressed and there isn't a need to throttle CPU IO
traffic.

Change-Id: I9cecda7d98c16fa48c9cdae0dd1badb811c4b8d5
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>