ARM: dts: msm: update rx clock frequency to support native on sm6150

For native clips, rx macro uses rx RCG(root clock generator)
as input clock source. Set frequency to twice the 11.2896MHz
for rx clock nodes to support native mode.

Change-Id: I55b50dc2da6646d44588e5f843219c3159a235b7
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>