MIPS: SNI: Switch RM400 serial to SCCNXP driver

The new SCCNXP driver supports the SC2681 chips used in RM400 machines.
We now use the new driver instead of the old SC26xx driver.
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4417/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/sni/a20r.c

@@ -118,26 +118,6 @@ static struct resource sc26xx_rsrc[] = {
 	}
 };
 
-static unsigned int sc26xx_data[2] = {
-	/* DTR   |   RTS    |   DSR    |   CTS     |   DCD     |   RI    */
-	(8 << 0) | (4 << 4) | (6 << 8) | (0 << 12) | (6 << 16) | (0 << 20),
-	(3 << 0) | (2 << 4) | (1 << 8) | (2 << 12) | (3 << 16) | (4 << 20)
-};
-
-static struct platform_device sc26xx_pdev = {
-	.name           = "SC26xx",
-	.num_resources  = ARRAY_SIZE(sc26xx_rsrc),
-	.resource       = sc26xx_rsrc,
-	.dev			= {
-		.platform_data	= sc26xx_data,
-	}
-};
-
-#warning "Please try migrate to use new driver SCCNXP and report the status" \
-	 "in the linux-serial mailing list."
-
-/* The code bellow is a replacement of SC26XX to SCCNXP */
-#if 0
 #include <linux/platform_data/sccnxp.h>
 
 static struct sccnxp_pdata sccnxp_data = {
@@ -155,15 +135,14 @@ static struct sccnxp_pdata sccnxp_data = {
 			  MCTRL_SIG(RNG_IP, LINE_IP3),
 };
 
-static struct platform_device sc2681_pdev = {
+static struct platform_device sc26xx_pdev = {
 	.name		= "sc2681",
-	.resource	= sc2xxx_rsrc,
-	.num_resources	= ARRAY_SIZE(sc2xxx_rsrc),
+	.resource	= sc26xx_rsrc,
+	.num_resources	= ARRAY_SIZE(sc26xx_rsrc),
 	.dev	= {
 		.platform_data	= &sccnxp_data,
 	},
 };
-#endif
 
 static u32 a20r_ack_hwint(void)
 {