drivers: platform: goldfish: fix the checkpatch complain in Kconfig

prefer 'help' over '---help---' for new help texts
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/platform/goldfish/Kconfig

@@ -2,7 +2,7 @@ menuconfig GOLDFISH
 	bool "Platform support for Goldfish virtual devices"
 	depends on X86_32 || X86_64 || ARM || ARM64 || MIPS
 	depends on HAS_IOMEM
-	---help---
+	help
 	  Say Y here to get to see options for the Goldfish virtual platform.
 	  This option alone does not add any kernel code.
 
@@ -12,7 +12,7 @@ if GOLDFISH
 
 config GOLDFISH_PIPE
 	tristate "Goldfish virtual device for QEMU pipes"
-	---help---
+	help
 	  This is a virtual device to drive the QEMU pipe interface used by
 	  the Goldfish Android Virtual Device.