ionic: move adminq-notifyq handling to main file

Move the AdminQ and NotifyQ queue handling to ionic_main.c with
the rest of the adminq code.

Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>