arm: lager: Add support reset function

The lager board uses I2C for reset.

ned-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
diff --git a/include/configs/lager.h b/include/configs/lager.h
index dd61ca0..8932825 100644
--- a/include/configs/lager.h
+++ b/include/configs/lager.h
@@ -159,6 +159,8 @@
 #define CONFIG_SYS_RCAR_I2C3_SPEED	400000
 #define CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS	4
 
+#define CONFIG_SYS_I2C_POWERIC_ADDR 0x58 /* da9063 */
+
 /* Board Clock */
 #define CONFIG_BASE_CLK_FREQ	20000000u
 #define CONFIG_SH_TMU_CLK_FREQ	(CONFIG_BASE_CLK_FREQ / 2) /* EXT / 2 */