ARM: mxs: Rename M28EVK

The board is now manufactured by Aries Embedded GmbH , rename it.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 32ecbe2..20455ff 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -36,7 +36,7 @@
 }
 
 /*
- * DENX M28EVK:
+ * ARIES M28EVK:
  * setenv videomode
  * video=ctfb:x:800,y:480,depth:18,mode:0,pclk:30066,
  *       le:0,ri:256,up:0,lo:45,hs:1,vs:1,sync:100663296,vmode:0