ARM: dts: msm: Add pinctrl property in cnss

In LPASS featured msm8994 MTP, Rome couldn't boot up when gpio54 is pull
down. Add gpio54 pinctrl configuration in cnss to pull it up
during boot time.

CRs-Fixed: 725328
Change-Id: Id546b0ef9088db6aeede275b26e45ebc227cf9ea
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>