wifi: libertas: drop 16-bit PCMCIA support

With all the other PCMCIA WLAN adapters gone from the kernel, this is now
the last remaining device with this interface, but as far as I can tell,
all the actual libertas users were actually using either SDIO or USB.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>

drivers/net/wireless/marvell/libertas/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
 config LIBERTAS
 	tristate "Marvell 8xxx Libertas WLAN driver support"
+	depends on USB || SDIO || SPI
 	depends on CFG80211
 	select WIRELESS_EXT
 	select WEXT_SPY
@@ -15,12 +16,6 @@ config LIBERTAS_USB
 	help
 	  A driver for Marvell Libertas 8388 USB devices.
 
-config LIBERTAS_CS
-	tristate "Marvell Libertas 8385 CompactFlash 802.11b/g cards"
-	depends on LIBERTAS && PCMCIA && HAS_IOPORT_MAP
-	help
-	  A driver for Marvell Libertas 8385 CompactFlash devices.
-
 config LIBERTAS_SDIO
 	tristate "Marvell Libertas 8385/8686/8688 SDIO 802.11b/g cards"
 	depends on LIBERTAS && MMC

drivers/net/wireless/marvell/libertas/Makefile

@@ -17,6 +17,5 @@ libertas_spi-objs += if_spi.o
 
 obj-$(CONFIG_LIBERTAS)     += libertas.o
 obj-$(CONFIG_LIBERTAS_USB) += usb8xxx.o
-obj-$(CONFIG_LIBERTAS_CS)  += libertas_cs.o
 obj-$(CONFIG_LIBERTAS_SDIO) += libertas_sdio.o
 obj-$(CONFIG_LIBERTAS_SPI) += libertas_spi.o