sh: Use sh7720 GPIO on magicpanelr2 board

This patch hooks up the magicpanelr2 board with the sh7720 pinmux code.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 6c4cbf1..50467f9 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -238,6 +238,7 @@
 config SH_MAGIC_PANEL_R2
 	bool "Magic Panel R2"
 	depends on CPU_SUBTYPE_SH7720
+	select GENERIC_GPIO
 	help
 	  Select Magic Panel R2 if configuring for Magic Panel R2.