missing dependencies for USB drivers in input

stuff that does select USB should depend on USB_ARCH_HAS_HCD, or we'll
end up with unbuildable configs.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/input/tablet/Kconfig b/drivers/input/tablet/Kconfig
index 12dfb0e..d371c0b 100644
--- a/drivers/input/tablet/Kconfig
+++ b/drivers/input/tablet/Kconfig
@@ -13,6 +13,7 @@
 
 config TABLET_USB_ACECAD
 	tristate "Acecad Flair tablet support (USB)"
+	depends on USB_ARCH_HAS_HCD
 	select USB
 	help
 	  Say Y here if you want to use the USB version of the Acecad Flair
@@ -25,6 +26,7 @@
 
 config TABLET_USB_AIPTEK
 	tristate "Aiptek 6000U/8000U tablet support (USB)"
+	depends on USB_ARCH_HAS_HCD
 	select USB
 	help
 	  Say Y here if you want to use the USB version of the Aiptek 6000U
@@ -49,6 +51,7 @@
 
 config TABLET_USB_KBTAB
 	tristate "KB Gear JamStudio tablet support (USB)"
+	depends on USB_ARCH_HAS_HCD
 	select USB
 	help
 	  Say Y here if you want to use the USB version of the KB Gear
@@ -61,6 +64,7 @@
 
 config TABLET_USB_WACOM
 	tristate "Wacom Intuos/Graphire tablet support (USB)"
+	depends on USB_ARCH_HAS_HCD
 	select USB
 	help
 	  Say Y here if you want to use the USB version of the Wacom Intuos