tty: serial: samsung: constify UART name

The UART name from driver data holds only string literals.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-6-krzysztof.kozlowski@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/samsung_tty.c

@@ -63,7 +63,7 @@ enum s3c24xx_port_type {
 };
 
 struct s3c24xx_uart_info {
-	char			*name;
+	const char		*name;
 	enum s3c24xx_port_type	type;
 	unsigned int		port_type;
 	unsigned int		fifosize;