Kernel+Userland: Add support for using the PCSpeaker with various tones

Author: https://github.com/supercomputer7
Commit: 11a7e21c2a
Pull-request: https://github.com/SerenityOS/serenity/pull/17687
Reviewed-by: https://github.com/AtkinsSJ

Userland/Libraries/LibC/unistd.cpp

@@ -924,9 +924,9 @@ int gettid()
     return cached_tid;
 }
 
-int sysbeep()
+int sysbeep(int tone)
 {
-    int rc = syscall(SC_beep);
+    int rc = syscall(SC_beep, tone);
     __RETURN_WITH_ERRNO(rc, rc, -1);
 }