PXA: Palm Tungsten|C Support

This patch adds support for the Palm Tungsten|C PXA255 board. The support
includes:
- LCD
- MMC
- UART
- NOR

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 4db587a..18cc687 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -809,6 +809,10 @@
 	cm4116		ks8695p
 	cm4148		ks8695p
 
+Marek Vasut <marek.vasut@gmail.com>
+
+	palmtc		xscale
+
 Hugo Villeneuve <hugo.villeneuve@lyrtech.com>
 
 	SFFSDR		ARM926EJS