esp.c: use deferred interrupts for both DATA IN and DATA OUT phases

esp.c: use deferred interrupts for both DATA IN and DATA OUT phases

This brings DATA OUT transfers in line with DATA IN transfers by ensuring that
the guest visible function complete interrupt is only set once the SCSI layer
has returned.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-61-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>