Staging: unisys: visorinput: Replace '--help--' with 'help' in Kconfig

Replace '--help--' in Kconfig and indent the subsequent text to silence
checkpatch.pl
warning:
WARNING: prefer 'help' over '---help---' for new help texts
Signed-off-by: Wentao Cai <etsai042@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorinput/Kconfig

@@ -5,11 +5,11 @@
 config UNISYS_VISORINPUT
 	tristate "Unisys visorinput driver"
 	depends on UNISYSSPAR && UNISYS_VISORBUS && INPUT
-	---help---
-	The Unisys s-Par visorinput driver provides a virtualized system
-	console (keyboard and mouse) that is accessible through the
-	s-Par firmware's user interface. s-Par provides video using the EFI
-	GOP protocol, so If this driver is not present, the Linux guest should
-	still boot with visible output in the partition desktop, but keyboard
-	and mouse interaction will not be available.
+	help
+		The Unisys s-Par visorinput driver provides a virtualized system
+		console (keyboard and mouse) that is accessible through the
+		s-Par firmware's user interface. s-Par provides video using the EFI
+		GOP protocol, so If this driver is not present, the Linux guest should
+		still boot with visible output in the partition desktop, but keyboard
+		and mouse interaction will not be available.