Removed DIO specific typedefs which were just aliases to basic types and replaced the term 'drive' with 'device' in order to harmonize with the recently added device.h.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5847 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/atari/siocall.s

@@ -7,11 +7,10 @@
 ; to save space with _dio_read and _dio_write functions.
 ;
 ; unsigned char __fastcall__ _sio_call(dhandle_t handle,
-;				       sectnum_t sect_num,
+;				       unsigned sect_num,
 ;				       void *buffer,
-;				       unsigned int sio_val);
+;				       unsigned sio_val);
 ; dhandle_t - 16bit (ptr)
-; sectnum_t - 16bit
 ; sio_val is (sio_command | sio_direction << 8)
 ;