ARM: imx: add basic imx6sx SoC support

Add basic suppport for i.MX6 SoloX SoC.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/mach-imx/cpu.c

@@ -111,6 +111,9 @@ struct device * __init imx_soc_device_init(void)
 	case MXC_CPU_IMX6DL:
 		soc_id = "i.MX6DL";
 		break;
+	case MXC_CPU_IMX6SX:
+		soc_id = "i.MX6SX";
+		break;
 	case MXC_CPU_IMX6Q:
 		soc_id = "i.MX6Q";
 		break;