ti814x_evm: add ti814x evm board support

Add TI814X EVM board directory, config file, and MAINTAINERS
entry. Enable build.

Signed-off-by: Matt Porter <mporter@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
[trini: Adapt to recent omap_hsmmc requirements, Matt re-tested]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index d031c3a..09430ba 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -833,6 +833,10 @@
 	at91sam9263ek	ARM926EJS (AT91SAM9263 SoC)
 	at91sam9rlek	ARM926EJS (AT91SAM9RL SoC)
 
+Matt Porter <mporter@ti.com>
+
+	ti814x_evm	ARM ARMV7 (TI814x Soc)
+
 Dave Purdy <david.c.purdy@gmail.com>
 
 	pogo_e02	ARM926EJS (Kirkwood SoC)