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/crypto/sha3_generic.c b/crypto/sha3_generic.c
index ded1487..264ec12 100644
--- a/crypto/sha3_generic.c
+++ b/crypto/sha3_generic.c
@@ -21,7 +21,7 @@
 #include <asm/unaligned.h>
 
 /*
- * On some 32-bit architectures (mn10300 and h8300), GCC ends up using
+ * On some 32-bit architectures (h8300), GCC ends up using
  * over 1 KB of stack if we inline the round calculation into the loop
  * in keccakf(). On the other hand, on 64-bit architectures with plenty
  * of [64-bit wide] general purpose registers, not inlining it severely