nfc: NFC_WILINK depends on NFC_NCI

nwcwilink.c uses nci_*() interfaces, so it should depend on
NFC_NCI.

Fixes these build errors:
ERROR: "nci_register_device" [drivers/nfc/nfcwilink.ko] undefined!
ERROR: "nci_allocate_device" [drivers/nfc/nfcwilink.ko] undefined!
ERROR: "nci_recv_frame" [drivers/nfc/nfcwilink.ko] undefined!
ERROR: "nci_free_device" [drivers/nfc/nfcwilink.ko] undefined!
ERROR: "nci_unregister_device" [drivers/nfc/nfcwilink.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/nfc/Kconfig

@@ -29,7 +29,7 @@ config NFC_PN533
 
 config NFC_WILINK
 	tristate "Texas Instruments NFC WiLink driver"
-	depends on TI_ST
+	depends on TI_ST && NFC_NCI
 	help
 	  This enables the NFC driver for Texas Instrument's BT/FM/GPS/NFC
 	  combo devices. This makes use of shared transport line discipline