move CONFIG_SYS_SPI_WRITE_TOUT into drivers/spi/atmel_spi.h
and define a default value. Delete this define in the board
config files, where it is possible (all boards use currently
the same value).
Signed-off-by: NHeiko Schocher <hs@denx.de>
Reviewed-by: NJagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Reviewed-by: NAndreas Bießmann <andreas.devel@googlemail.com>
Signed-off-by: NAndreas Bießmann <andreas.devel@googlemail.com>