Blackfin arch: ensure that speculative loads of bad pointers don't cause us to do bad things.

Fix/change formatting of a few more things.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/fixed_code.h b/include/asm-blackfin/fixed_code.h
index e6df84e..37db66c 100644
--- a/include/asm-blackfin/fixed_code.h
+++ b/include/asm-blackfin/fixed_code.h
@@ -17,4 +17,6 @@
 
 #define ATOMIC_SEQS_END		0x480
 
-#define FIXED_CODE_END		0x480
+#define SAFE_USER_INSTRUCTION   0x480
+
+#define FIXED_CODE_END		0x490