This adds an initial dts for the Dragonboard 845. Supported
functionality includes Debug UART, UFS, USB-C (peripheral), USB-A
(host), Ethernet, microSD-card and Bluetooth.
Initializing the SMMU is clearing the mapping used for the splash screen
framebuffer, which causes the baord to reboot. This can be worked around
using:
fastboot oem select-display-panel none
Ethernet and the second USB-A port depends on a functional firmware
loader for the uPD720201.
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
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