Changeset : ixus700_sd500 updated: - capt_seq.c rewritten using code_gen ...

ixus700_sd500 updated:

• capt_seq.c rewritten using code_gen (exp_drv_task() implemented)
  
• USB_MASK and USB_IDX modified.
  
• stubs_entry_2.S and stubs_min.S clean up
  

Tested by koshy: ​http://chdk.setepontos.com/index.php?topic=11723.msg115203#msg115203