Drop CONFIG_USB_EHCI_KIRKWOOD

This config option doesn't do anything.

nas220 uses USB_EHCI_MARVELL.

Signed-off-by: Marek Behún <marek.behun@nic.cz>

include/configs/nas220.h

@@ -64,7 +64,6 @@
  * USB/EHCI
  */
 #ifdef CONFIG_CMD_USB
-#define CONFIG_USB_EHCI_KIRKWOOD	/* on Kirkwood platform	*/
 #define CONFIG_USB_EHCI_IS_TDI
 #endif /* CONFIG_CMD_USB */
 

scripts/config_whitelist.txt

@@ -3014,7 +3014,6 @@ CONFIG_USB_EHCI_BASE_LIST
 CONFIG_USB_EHCI_EXYNOS
 CONFIG_USB_EHCI_FARADAY
 CONFIG_USB_EHCI_IS_TDI
-CONFIG_USB_EHCI_KIRKWOOD
 CONFIG_USB_EHCI_TXFIFO_THRESH
 CONFIG_USB_ETH_QMULT
 CONFIG_USB_ETH_SUBSET