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>

scripts/genksyms/lex.c_shipped

@@ -2023,7 +2023,7 @@ repeat:
       break;
 
     default:
-      abort();
+      exit(1);
     }
 fini:
 

scripts/genksyms/lex.l

@@ -392,7 +392,7 @@ repeat:
       break;
 
     default:
-      abort();
+      exit(1);
     }
 fini:
 

scripts/mod/mk_elfconfig.c

@@ -28,7 +28,7 @@ main(int argc, char **argv)
 		printf("#define KERNEL_ELFCLASS ELFCLASS64\n");
 		break;
 	default:
-		abort();
+		exit(1);
 	}
 	switch (ei[EI_DATA]) {
 	case ELFDATA2LSB:
@@ -38,7 +38,7 @@ main(int argc, char **argv)
 		printf("#define KERNEL_ELFDATA ELFDATA2MSB\n");
 		break;
 	default:
-		abort();
+		exit(1);
 	}
 
 	if (sizeof(unsigned long) == 4) {
@@ -53,7 +53,7 @@ main(int argc, char **argv)
 	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");

scripts/mod/modpost.c

@@ -330,7 +330,7 @@ static void parse_elf(struct elf_info *info, const char *filename)
 	hdr = grab_file(filename, &info->size);
 	if (!hdr) {
 		perror(filename);
-		abort();
+		exit(1);
 	}
 	info->hdr = hdr;
 	if (info->size < sizeof(*hdr))