ARM: dts: msm: add wil6210 pinctrl configurations for SDM855

gpio87 used by 11ad card as refclk3_en signal in SDM855 platform.

Change-Id: I789bb994e1d6b9e8d0720db610a675b9bc8a0986
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>