score: Fix typo in Kconfig.debug

Correct spelling "debuging" to "debugging" in
arch/score/Kconfig.debug

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/score/Kconfig.debug b/arch/score/Kconfig.debug
index a1f346d..d8a9b2d 100644
--- a/arch/score/Kconfig.debug
+++ b/arch/score/Kconfig.debug
@@ -22,7 +22,7 @@
 	help
 	  If you say Y here, some debugging macros will do run-time checking.
 	  If you say N here, those macros will mostly turn to no-ops.  See
-	  include/asm-score/debug.h for debuging macros.
+	  include/asm-score/debug.h for debugging macros.
 	  If unsure, say N.
 
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