sh: add sh7757lcr board support

This adds preliminary support for the sh7757lcr board.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile
index 2049d95..38ef655 100644
--- a/arch/sh/boards/Makefile
+++ b/arch/sh/boards/Makefile
@@ -10,3 +10,4 @@
 obj-$(CONFIG_SH_ESPT)		+= board-espt.o
 obj-$(CONFIG_SH_POLARIS)	+= board-polaris.o
 obj-$(CONFIG_SH_TITAN)		+= board-titan.o
+obj-$(CONFIG_SH_SH7757LCR)	+= board-sh7757lcr.o