ARM: dts: msm: Add additional bus vectors for msm8994 and msm8939

Introduce bus vectors for msm8994 and msm8939 that also account for
traffic from the Venus ARM9 core.

Change-Id: I81bd291f1c112b9f234516372b35b1ca0b809848
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>