usb: storage: reltek_cr: convert to use secs_to_jiffies

Since commit b35108a5 ("jiffies: Define secs_to_jiffies()") has
been introduced, we can use it to avoid scaling the time to msec

Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Link: https://lore.kernel.org/r/20250616062506.1074376-1-liyuesong@vivo.com


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