arm: mxs: Remove misleading comments

Both comments look like being copy & paste errors.

Signed-off-by: Michael Heimpold <michael.heimpold@i2se.com>
Cc: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/cpu/arm926ejs/mxs/mxs.c b/arch/arm/cpu/arm926ejs/mxs/mxs.c
index a6af0fc..2298620 100644
--- a/arch/arm/cpu/arm926ejs/mxs/mxs.c
+++ b/arch/arm/cpu/arm926ejs/mxs/mxs.c
@@ -167,9 +167,9 @@
 {
 	switch (imxtype) {
 	case MXC_CPU_MX23:
-		return "23";	/* Quad-Plus version of the mx6 */
+		return "23";
 	case MXC_CPU_MX28:
-		return "28";	/* Dual-Plus version of the mx6 */
+		return "28";
 	default:
 		return "??";
 	}