Borrowed the idea of the PM freezer to make sdio suspend wait for
watchdog and DPC thread to freeze at a safe point in their thread
routine. The suspend takes 20-25 msec.
Reviewed-by: NHante Meuleman <meuleman@broadcom.com>
Reviewed-by: NDaniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: NFranky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>