trivial: Kconfig: .ko is normally not included in module names

.ko is normally not included in Kconfig help, make it consistent.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 3640cdc..bc9ce89 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -872,7 +872,7 @@
 	  are unsure, say N.
 
 	  To compile this driver as a module, choose M here: the module
-	  will be called gptimers.ko.
+	  will be called gptimers.
 
 choice
 	prompt "Uncached DMA region"