ARM: dts: msm: Add pinctrl device for TLMM in samarium

Enable pinctrl driver for msmsamarium. Add skeleton dtsi
file for TLMM pin configuration nodes.

Change-Id: I251049657041c46b515510b17404b09de895d640
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>