Add CBM kernal call TKSA to CBM library

This adds the CBM kernal call TKSA as cbm_k_tksa() to the CBM library.

include/cbm.h

@@ -204,6 +204,7 @@ void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
                                 unsigned char SA);
 void __fastcall__ cbm_k_setnam (const char* Name);
 void __fastcall__ cbm_k_talk (unsigned char dev);
+void __fastcall__ cbm_k_tksa (unsigned char addr);
 void cbm_k_udtim (void);
 void cbm_k_unlsn (void);
 void cbm_k_untlk (void);