Now when all infrastructure in ARC is ready for it let's switch ARC UART to driver model.
Signed-off-by: Alexey Brodkin Cc: Masahiro Yamada Cc: Simon Glass
CONFIG_ARC=y CONFIG_CPU_BIG_ENDIAN=y CONFIG_TARGET_ARCANGEL4=y CONFIG_DM=y CONFIG_DM_SERIAL=y CONFIG_DEFAULT_DEVICE_TREE="arcangel4" CONFIG_SYS_TEXT_BASE=0x81000000 CONFIG_SYS_CLK_FREQ=70000000 CONFIG_OF_CONTROL=y CONFIG_OF_EMBED=y