ARM: dts: msm: Add HS-UART and fix 2 wire pin setting for SDM855

QUPv3 SE13 is used as HS-UART by BT on SDM855. Add active and sleep
pinctrl settings for its GPIOs.

Change-Id: I939c1f93e94382d92e4d2b8995e2922fd4ee8c36
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>