add ch343 driver

hc

2023-07-06 0d92c6001e626cf3cfa86b826ccc10a16115901e

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KOELSCH BOARD
M:    Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
S:    Maintained
F:    board/renesas/koelsch/
F:    include/configs/koelsch.h
F:    configs/koelsch_defconfig