Blackfin arch: move fixed code into init section

Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>

arch/blackfin/kernel/fixed_code.S

@@ -8,10 +8,12 @@
  * BF561 SMP).
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <linux/unistd.h>
 #include <asm/entry.h>
 
-.text
+__INIT
+
 ENTRY(_fixed_code_start)
 
 .align 16
@@ -144,3 +146,5 @@ ENTRY(_safe_user_instruction)
 ENDPROC(_safe_user_instruction)
 
 ENTRY(_fixed_code_end)
+
+__FINIT