Blackfin: make hardware trace output a little more useful

Decode the vast majority of insns that appear in the trace buffer to get a
better idea of what's going on at a glance.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 7c31a3d..fffcf8a 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -546,7 +546,7 @@
 #ifdef CONFIG_BUG
 int is_valid_bugaddr(unsigned long addr)
 {
-	unsigned short opcode;
+	unsigned int opcode;
 
 	if (!get_instruction(&opcode, (unsigned short *)addr))
 		return 0;