driver core: Simplify async probe test code by using ktime_ms_delta()

Simplify async probe test code by using ktime_ms_delta().

Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Link: https://lore.kernel.org/r/20211228092707.29987-1-mark-pk.tsai@mediatek.com


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