greybus: fix typos in GREYBUS/GREYBUS_ES2 help text

	tristate "Greybus support"

	depends on SYSFS

	---help---

	  This option enables the Greybus driver core.  Greybus is an

	  This option enables the Greybus driver core.  Greybus is a

	  hardware protocol that was designed to provide Unipro with a

	  sane application layer.  It was originally designed for the

	  ARA project, a module phone system, but has shown up in other

	  Say Y here to enable support for these types of drivers.

	  To compile this code as a module, chose M here: the module

	  To compile this code as a module, choose M here: the module

	  will be called greybus.ko

if GREYBUS

	  acts as a Greybus "host controller".  This device is a bridge

	  from a USB device to a Unipro network.

	  To compile this code as a module, chose M here: the module

	  To compile this code as a module, choose M here: the module

	  will be called gb-es2.ko

endif	# GREYBUS