w1: ds2482: drop unnecessary header

linux/delay.h is already included, so drop asm header to also fix
checkpatch:

  WARNING: Use #include <linux/delay.h> instead of <asm/delay.h>

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230415104304.104134-8-krzysztof.kozlowski@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>