serial/asm9260_serial.c: use module_platform_driver macro

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
arch/arm/boot/dts/asm9260.dtsi

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
arch/arm/mach-as9260/core.c

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
drivers/tty/serial/asm9260_serial.c

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
arch/arm/boot/dts/asm9260.dtsi

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
arch/arm/mach-as9260/asm9260_uart.c

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
arch/arm/mach-as9260/core.c

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
drivers/tty/serial/asm9260_serial.c

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>