Add support for KARO TX25 board

This is an i.MX25 base board with only NAND
so it uses nand_spl to boot.

Signed-off-by: John Rigby <jcrigby@gmail.com>

Tune configuration, add support for (redundant) environment in NAND.
Signed-off-by: Wolfgang Denk <wd@denx.de>

Acked-by: Wolfgang Denk <wd@denx.de>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 160f580..d6f78de 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -701,6 +701,10 @@
 
 	omap3_zoom2	ARM CORTEX-A8 (OMAP3xx SoC)
 
+John Rigby <jcrigby@gmail.com>
+
+	tx25		i.MX25
+
 Stefan Roese <sr@denx.de>
 
 	ixdpg425	xscale