sh: Add support ESPT-GIGA borad

ESPT-Giga is SH7763-based reference board.
Board support is relatively sparse, presently supporting serial,
gigabit ethernet, USB host, and MTD.

More information (in Japanese) available at:
http://www.cente.jp/product/cente_hard/ESPT-Giga.html

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/MAKEALL b/MAKEALL
index 41f1445..2b42352 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -848,6 +848,7 @@
 	sh7763rdp	\
 	sh7785lcr	\
 	ap325rxa	\
+	espt		\
 "
 
 LIST_sh="		\