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andrew li 4bbfc5fcb8 add nrf5340 bsp,add uarte and gpio drv for 5340		3 anni fa
..
dsp	4bbfc5fcb8 add nrf5340 bsp,add uarte and gpio drv for 5340	3 anni fa
include	4bbfc5fcb8 add nrf5340 bsp,add uarte and gpio drv for 5340	3 anni fa
SConscript	805432d315 [update]modify nrf5x/nrf52840 for [No Softdevice]&[RT_USING_USER_MAIN]	5 anni fa