h2200: Add board reset support

Use Samsung S3CA410X01 companion chip to reset PDA.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
diff --git a/board/h2200/h2200.c b/board/h2200/h2200.c
index 720b06e..738e480 100644
--- a/board/h2200/h2200.c
+++ b/board/h2200/h2200.c
@@ -32,6 +32,15 @@
 	return 0;
 }
 
+void reset_cpu(ulong ignore)
+{
+	/* Enable VLIO interface on Hamcop */
+	writeb(0x1, 0x4000);
+
+	/* Reset board (cold reset) */
+	writeb(0xff, 0x4002);
+}
+
 int board_init(void)
 {
 	/* We have RAM, disable cache */