rtc: ds1307: correct register offset for rx8130

While rx8130 has a register offset of 0x10 in its chip_desc, this isn't
used when regmap accesses are done. So add 0x10 to access the right
locations.

Fixes: ee0981be7704 ("rtc: ds1307: Add support for Epson RX8130CE")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index a4883d5..81e2065 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -114,14 +114,15 @@
 #	define RX8025_BIT_VDET		0x40
 #	define RX8025_BIT_XST		0x20
 
-#define RX8130_REG_ALARM_MIN		0x07
-#define RX8130_REG_ALARM_HOUR		0x08
-#define RX8130_REG_ALARM_WEEK_OR_DAY	0x09
-#define RX8130_REG_EXTENSION		0x0c
+#define RX8130_REG_ALARM_MIN		0x17
+#define RX8130_REG_ALARM_HOUR		0x18
+#define RX8130_REG_ALARM_WEEK_OR_DAY	0x19
+#define RX8130_REG_EXTENSION		0x1c
 #define RX8130_REG_EXTENSION_WADA	BIT(3)
-#define RX8130_REG_FLAG			0x0d
+#define RX8130_REG_FLAG			0x1d
+#define RX8130_REG_FLAG_VLF		BIT(1)
 #define RX8130_REG_FLAG_AF		BIT(3)
-#define RX8130_REG_CONTROL0		0x0e
+#define RX8130_REG_CONTROL0		0x1e
 #define RX8130_REG_CONTROL0_AIE		BIT(3)
 
 #define MCP794XX_REG_CONTROL		0x07