sh: Conditionalize the code dumper on CONFIG_DUMP_CODE.

We don't really want this enabled by default, but it is still quite
useful for debugging. So, make it conditional and leave it off by
default.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 0dc340d..0d62681 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -98,6 +98,18 @@
 	  for handling hard and soft interrupts.  This can help avoid
 	  overflowing the process kernel stacks.
 
+config DUMP_CODE
+	bool "Show disassembly of nearby code in register dumps"
+	depends on DEBUG_KERNEL && SUPERH32
+	default y if DEBUG_BUGVERBOSE
+	default n
+	help
+	  This prints out a code trace of the instructions leading up to
+	  the faulting instruction as a debugging aid. As this does grow
+	  the kernel in size a bit, most users will want to say N here.
+
+	  Those looking for more verbose debugging output should say Y.
+
 config SH_NO_BSS_INIT
 	bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
 	depends on DEBUG_KERNEL