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Add support for I2C and SPI buses to enable peripherals
such as touchscreens or sensors. Also add DMA nodes,
configuration and BLSP2 UART2 interface.
Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Link: https://lore.kernel.org/r/20200623224813.297077-8-konradybcio@gmail.com

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>