Add new resource flag type: RF_PCCARD_ATTR for pccard's attribute memory.

This was suggested by Doug a while ago.

sys/sys/rman.h

@@ -64,6 +64,8 @@ struct	resource {
 #define	RF_WANTED	0x0010	/* somebody is waiting for this resource */
 #define	RF_FIRSTSHARE	0x0020	/* first in sharing list */
 
+#define RF_PCCARD_ATTR	0x10000 /* PCCARD attribute memory */
+
 enum	rman_type { RMAN_UNINIT = 0, RMAN_GAUGE, RMAN_ARRAY };
 
 struct	rman {