ARM: dts: msm: Add 8x1 and 2x1 funnels for 8916

On 8916, IN_FUN1 and MERGE_FUN has been removed
for optimization. To support additional ATB sources,
one of the ATB input is expanded using 8x1 and 2x1
funnels.
Add support for these two funnels on 8916 deivce.

Change-Id: I959be716c34b8e654667f2855499e29665772c54
Signed-off-by: Xiaogang Cui <xiaogang@codeaurora.org>