Added debugging messages for activation/deactivation of logical devices.

src/drivers/bus/isapnp.c

 	
 	/* Return all cards to Wait for Key state */
 	isapnp_wait_for_key ();
+
+	DBG ( "ISAPnP activated logical device %hhx on CSN %hhx "
+	      "with ioaddr %hx and IRQ %d\n",
+	      logdev, isapnp->csn, isapnp->ioaddr, isapnp->irqno );
 }
 
 /*
 	
 	/* Return all cards to Wait for Key state */
 	isapnp_wait_for_key ();
+
+	DBG ( "ISAPnP deactivated logical device %hhx on CSN %hhx\n",
+	      logdev, isapnp->csn );
 }