HID: retrode: tell what a Retrode is and drop a blank line

Add descriptive info to prompt string so that someone can know what
a Retrode is.  Drop an unneeded blank line.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Bastien Nocera <hadess@hadess.net>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 0a3117c..d95c1ab 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -749,11 +749,10 @@
 	HID standard.
 
 config HID_RETRODE
-	tristate "Retrode"
+	tristate "Retrode 2 USB adapter for vintage video games"
 	depends on USB_HID
 	---help---
 	Support for
-
 	  * Retrode 2 cartridge and controller adapter
 
 config HID_ROCCAT