staging: rtl8188eu: use help instead of ---help--- in Kconfig

  - Resolve the following warning from the Kconfig,
    "WARNING: prefer 'help' over '---help---' for new help texts"
Signed-off-by: Moses Christopher <moseschristopherb@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/Kconfig

@@ -8,7 +8,7 @@ config R8188EU
 	select LIB80211
 	select LIB80211_CRYPT_WEP
 	select LIB80211_CRYPT_CCMP
-	---help---
+	help
 	This option adds the Realtek RTL8188EU USB device such as TP-Link TL-WN725N.
 	If built as a module, it will be called r8188eu.
 
@@ -17,7 +17,7 @@ if R8188EU
 config 88EU_AP_MODE
 	bool "Realtek RTL8188EU AP mode"
 	default y
-	---help---
+	help
 	This option enables Access Point mode. Unless you know that your system
 	will never be used as an AP, or the target system has limited memory,
 	"Y" should be selected.