misc: rtsx_usb: Use USB remote wakeup signaling for card insertion detection

misc: rtsx_usb: Use USB remote wakeup signaling for card insertion detection

BugLink: https://bugs.launchpad.net/bugs/1811337
Although rtsx_usb doesn't support card removal detection, card insertion
will resume rtsx_usb by USB remote wakeup signaling.

When rtsx_usb gets resumed, also resumes its child devices,
rtsx_usb_sdmmc and rtsx_usb_ms, to notify them there's a card in its
slot.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
(cherry picked from commit 883a87ddf2f118fbce617b1b3472b8224803eb14)
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Acked-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>