selftests/breakpoints: change test to use ksft framework

Change breakpoints test to use kselftest framework to report
test results.

Signed-off-by: Shuah Khan <[e-mail]>

tools/testing/selftests/breakpoints/breakpoint_test.c

···
 #include <sys/types.h>
 #include <sys/wait.h>
 
+#include "../kselftest.h"
+
 
 /* Breakpoint access modes */
 enum {
···
 		     offsetof(struct user, u_debugreg[n]), addr);
 	if (ret) {
 		perror("Can't set breakpoint addr\n");
-		exit(-1);
+		ksft_exit_fail();
 	}
 }
 
···
 		     offsetof(struct user, u_debugreg[7]), dr7);
 	if (ret) {
 		perror("Can't set dr7");
-		exit(-1);
+		ksft_exit_fail();
 	}
 }
 
···
 			msg2 = "Ok";
 		if (ptrace(PTRACE_POKEDATA, child_pid, &trapped, 1)) {
 			perror("Can't poke\n");
-			exit(-1);
+			ksft_exit_fail();
 		}
 	}
 
···
 
 	wait(NULL);
 
-	return 0;
+	return ksft_exit_pass();
 }