arm: koelsch: Add support reset function

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
diff --git a/include/configs/koelsch.h b/include/configs/koelsch.h
index f410a8f..f8cca5b 100644
--- a/include/configs/koelsch.h
+++ b/include/configs/koelsch.h
@@ -165,4 +165,6 @@
 #define CONFIG_SH_I2C_DATA_LOW	5
 #define CONFIG_SH_I2C_CLOCK	10000000
 
+#define CONFIG_SYS_I2C_POWERIC_ADDR 0x58 /* da9063 */
+
 #endif	/* __KOELSCH_H */