blackfin: enable DEBUG_SECTION_MISMATCH

We see only one section mismatch now after thousands of randconfigs, and a
bug has been filed about that one.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 8e5ec5e..1fafb4b 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,7 +103,8 @@
 
 config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
-	depends on UNDEFINED
+	depends on UNDEFINED || (BLACKFIN)
+	default y
 	# This option is on purpose disabled for now.
 	# It will be enabled when we are down to a reasonable number
 	# of section mismatch warnings (< 10 for an allyesconfig build)