kbuild: replace abort() with exit(1)

We have had no use of the coredump file for a long time.
So just exit(1) and avoid coredumping.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/mod/mk_elfconfig.c b/scripts/mod/mk_elfconfig.c
index 3c92c83..725d61c 100644
--- a/scripts/mod/mk_elfconfig.c
+++ b/scripts/mod/mk_elfconfig.c
@@ -28,7 +28,7 @@
 		printf("#define KERNEL_ELFCLASS ELFCLASS64\n");
 		break;
 	default:
-		abort();
+		exit(1);
 	}
 	switch (ei[EI_DATA]) {
 	case ELFDATA2LSB:
@@ -38,7 +38,7 @@
 		printf("#define KERNEL_ELFDATA ELFDATA2MSB\n");
 		break;
 	default:
-		abort();
+		exit(1);
 	}
 
 	if (sizeof(unsigned long) == 4) {
@@ -53,7 +53,7 @@
 	else if (memcmp(endian_test.c, "\x02\x01", 2) == 0)
 		printf("#define HOST_ELFDATA ELFDATA2LSB\n");
 	else
-		abort();
+		exit(1);
 
 	if ((strcmp(argv[1], "v850") == 0) || (strcmp(argv[1], "h8300") == 0))
 		printf("#define MODULE_SYMBOL_PREFIX \"_\"\n");