serial: 8250_omap: Make 8250_omap driver driver depend on ARCH_K3

Allow 8250 omap serial driver to be used for K3 platforms.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/8250/Kconfig

@@ -375,7 +375,7 @@ config SERIAL_8250_RT288X
 
 config SERIAL_8250_OMAP
 	tristate "Support for OMAP internal UART (8250 based driver)"
-	depends on SERIAL_8250 && ARCH_OMAP2PLUS
+	depends on SERIAL_8250 && (ARCH_OMAP2PLUS || ARCH_K3)
 	help
 	  If you have a machine based on an Texas Instruments OMAP CPU you
 	  can enable its onboard serial ports by enabling this option.