ARM: omap3: add support to Technexion twister board

The twister board is a development board using
the TAM3517 SOM.

Support for NAND, 2 Ethernet (EMAC and SMC911),
USB (EHCI_OMAP).

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tapani Utrianen <tapani@technexion.com>
CC: Tom Rini <tom.rini@gmail.com>
CC: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index a56ca10..a856b4c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -572,6 +572,7 @@
 	mx51evk		i.MX51
 	polaris		xscale/pxa
 	trizepsiv	xscale/pxa
+	twister		omap3
  	vision2		i.MX51
 
 Jason Liu <r64343@freescale.com>