Add device trees for OnePlus 5 (cheeseburger) and 5T (dumpling)
MSM8998 SoC smartphones with initial support included for:

- UFS internal storage
- USB peripheral mode
- Display
- Touch
- Bluetooth
- Hall effect sensor
- Power and volume buttons
- Capacitive keypad button backlight (on cheeseburger)
Signed-off-by: Jami Kettunen <jamipkettunen@gmail.com>
Link: https://lore.kernel.org/r/20210406010708.2376807-2-jamipkettunen@gmail.comSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>