ARM: dts: msm: Remove the active-only bus voting for pil venus

Active-only property of bus bandwidth voting is a boolean type
instead of integer type. Therefore, remove this property in pil
venus to make it as a non active-only voter.

Change-Id: If7a8a18197f64f50a0f8965bed2b4744f64c9731
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>