rtc: rv3028: fix RV3028_TS_COUNT type

Read RV3028_TS_COUNT in an unsigned int so static checkers stop reporting a
mismatch between the format specifier and the type.

Reported-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20241111104711.3170865-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Author: alexandrebelloni

drivers/rtc/rtc-rv3028.c

@@ -120,8 +120,9 @@ static ssize_t timestamp0_show(struct device *dev,
 {
 	struct rv3028_data *rv3028 = dev_get_drvdata(dev->parent);
 	struct rtc_time tm;
-	int ret, count;
+	unsigned int count;
 	u8 date[6];
+	int ret;
 
 	ret = regmap_read(rv3028->regmap, RV3028_TS_COUNT, &count);
 	if (ret)
@@ -156,7 +157,8 @@ static ssize_t timestamp0_count_show(struct device *dev,
 				     struct device_attribute *attr, char *buf)
 {
 	struct rv3028_data *rv3028 = dev_get_drvdata(dev->parent);
-	int ret, count;
+	unsigned int count;
+	int ret;
 
 	ret = regmap_read(rv3028->regmap, RV3028_TS_COUNT, &count);
 	if (ret)