usb: bdc: fix sleep during atomic

usb: bdc: fix sleep during atomic

bdc_run() can be ran during atomic context leading to a sleep during
atomic warning. Fix this by replacing read_poll_timeout() with
read_poll_timeout_atomic().

Fixes: 75ae051efc9b ("usb: gadget: bdc: use readl_poll_timeout() to simplify code")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20260120200754.2488765-1-justin.chen@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>