misc: Kconfig: fix a HISI_HIKEY_USB dependency

The dependency should be just USB_ROLE_SWITCH, instead
of CONFIG_USB_ROLE_SWITCH.

Fixes: 2827d98 ("misc: Kconfig: add a new dependency for HISI_HIKEY_USB")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/0b6dff854c4bb412c2c11f17803e84d61385415f.1602138248.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: mchehab

drivers/misc/Kconfig

@@ -459,7 +459,7 @@ config PVPANIC
 config HISI_HIKEY_USB
 	tristate "USB GPIO Hub on HiSilicon Hikey 960/970 Platform"
 	depends on (OF && GPIOLIB) || COMPILE_TEST
-	depends on CONFIG_USB_ROLE_SWITCH
+	depends on USB_ROLE_SWITCH
 	help
 	  If you say yes here this adds support for the on-board USB GPIO hub
 	  found on HiKey 960/970 boards, which is necessary to support