Revert "tty: serial: Add UART driver for Cortina-Access platform"

This reverts commit b61c8bf4.  It never
made it to a public mailing list and still needs some work based on the
review comments.  So revert it for now.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/CAMuHMdXA9-ajoAza2JAW5879ECieMm1dbBbKHgJhDa7=3kWu3w@mail.gmail.com
Cc: Jason Li <jason.li@cortina-access.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -4680,11 +4680,6 @@ S:	Maintained
 W:	http://www.fi.muni.cz/~kas/cosa/
 F:	drivers/net/wan/cosa*
 
-CORTINA-ACCESS SERIAL CONSOLE DRIVER
-M:	Jason Li <jason.li@cortina-access.com>
-S:	Supported
-F:	drivers/tty/serial/serial_cortina-access.c
-
 COUNTER SUBSYSTEM
 M:	William Breathitt Gray <vilhelm.gray@gmail.com>
 L:	linux-iio@vger.kernel.org

drivers/tty/serial/Kconfig

@@ -1561,25 +1561,6 @@ config SERIAL_LITEUART_CONSOLE
 	  and warnings and which allows logins in single user mode).
 	  Otherwise, say 'N'.
 
-config SERIAL_CORTINA_ACCESS
-	tristate "Cortina-Access serial port support"
-	select SERIAL_CORE
-	help
-	  This driver is for Cortina-Access SoC's UART. If you have a machine
-	  based on the Cortina-Access SoC and wish to use the serial port,
-	  say 'Y' here. Otherwise, say 'N'.
-
-config SERIAL_CORTINA_ACCESS_CONSOLE
-	bool "Console on Cortina-ACCESS serial port"
-	depends on SERIAL_CORTINA_ACCESS=y
-	select SERIAL_CORE_CONSOLE
-	select SERIAL_EARLYCON
-	help
-	  Say 'Y' here if you wish to use Cortina-Access UART as the system
-	  console. (the system console is the device which receives all kernel
-	  messages and warnings and which allows logins in single user mode)
-	  /dev/ttyS* is default device node.
-
 endmenu
 
 config SERIAL_MCTRL_GPIO

drivers/tty/serial/Makefile

@@ -87,7 +87,6 @@ obj-$(CONFIG_SERIAL_RDA)	+= rda-uart.o
 obj-$(CONFIG_SERIAL_MILBEAUT_USIO) += milbeaut_usio.o
 obj-$(CONFIG_SERIAL_SIFIVE)	+= sifive.o
 obj-$(CONFIG_SERIAL_LITEUART) += liteuart.o
-obj-$(CONFIG_SERIAL_CORTINA_ACCESS)	+= serial_cortina-access.o
 
 # GPIOLIB helpers for modem control lines
 obj-$(CONFIG_SERIAL_MCTRL_GPIO)	+= serial_mctrl_gpio.o