qdss_bridge: Check if opened is enable in usb_notifier

Only when opened is enabled, usb_notifier need to be run. When it is
in disabled status or ssr status, no need to call usb_notifier.

Change-Id: I98dc2ac17d593b7b9d4d20fb0a91e7a39f09262e
Signed-off-by: Mao Jinlong <jinlmao@codeaurora.org>