Remove GENERIC_HARDIRQ config option

After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/usb/renesas_usbhs/Kconfig

@@ -4,7 +4,7 @@
 
 config USB_RENESAS_USBHS
 	tristate 'Renesas USBHS controller'
-	depends on USB_GADGET && GENERIC_HARDIRQS
+	depends on USB_GADGET
 	default n
 	help
 	  Renesas USBHS is a discrete USB host and peripheral controller chip