serial: remove VR41XX serial driver

Commit d3164e2 ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Link: https://lore.kernel.org/r/20220715140322.135825-1-tsbogend@alpha.franken.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: tsbogend

drivers/tty/serial/Kconfig

@@ -890,23 +890,6 @@ config SERIAL_TXX9_STDSERIAL
 	bool "TX39XX/49XX SIO act as standard serial"
 	depends on !SERIAL_8250 && SERIAL_TXX9
 
-config SERIAL_VR41XX
-	tristate "NEC VR4100 series Serial Interface Unit support"
-	depends on CPU_VR41XX
-	select SERIAL_CORE
-	help
-	  If you have a NEC VR4100 series processor and you want to use
-	  Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
-	  (not include VR4111/VR4121 DSIU), say Y.  Otherwise, say N.
-
-config SERIAL_VR41XX_CONSOLE
-	bool "Enable NEC VR4100 series Serial Interface Unit console"
-	depends on SERIAL_VR41XX=y
-	select SERIAL_CORE_CONSOLE
-	help
-	  If you have a NEC VR4100 series processor and you want to use
-	  a console on a serial port, say Y.  Otherwise, say N.
-
 config SERIAL_JSM
 	tristate "Digi International NEO and Classic PCI Support"
 	depends on PCI

drivers/tty/serial/Makefile

@@ -51,7 +51,6 @@ obj-$(CONFIG_SERIAL_SCCNXP) += sccnxp.o
 obj-$(CONFIG_SERIAL_SC16IS7XX_CORE) += sc16is7xx.o
 obj-$(CONFIG_SERIAL_JSM) += jsm/
 obj-$(CONFIG_SERIAL_TXX9) += serial_txx9.o
-obj-$(CONFIG_SERIAL_VR41XX) += vr41xx_siu.o
 obj-$(CONFIG_SERIAL_ATMEL) += atmel_serial.o
 obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o
 obj-$(CONFIG_SERIAL_MSM) += msm_serial.o