mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h
index 854f96a..d4f16dc 100644
--- a/include/asm-generic/pci_iomap.h
+++ b/include/asm-generic/pci_iomap.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
-/* Generic I/O port emulation, based on MN10300 code
+/* Generic I/O port emulation.
  *
  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)