Add ATMEL LCD driver

This patch adds support for the ATMEL LCDC driver which is used on some
AT91 and AVR platforms.

Is has been tested with the AT91CAP9ADK, AT91SAM9261EK, AT91SAM9263EK and
AT91SAM9RLEK boards. Adaptation for AVR32 should probably be easy.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/README b/README
index 5e2bca4..dca495d 100644
--- a/README
+++ b/README
@@ -962,6 +962,10 @@
 		display); also select one of the supported displays
 		by defining one of these:
 
+		CONFIG_ATMEL_LCD:
+
+			HITACHI TX09D70VM1CCA, 3.5", 240x320.
+
 		CONFIG_NEC_NL6448AC33:
 
 			NEC NL6448AC33-18. Active, color, single scan.