arm64: dts: qcom: msm8953-lenovo-kuntao: Add initial device tree

[raihan2000]

Lenovo P2 is a handset using the MSM8953 SoC released in 2016

Add a device tree with initial support for:

• GPIO keys
• SDHCI (internal and external storage)
• USB Device Mode
• WCNSS (WiFi/BT)
• Regulators