regmap: Fix integertypes for register address and value

These values are defined as unsigned int in the struct and are assigned
to int values.

This patch fixes the type to be unsigned int instead.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/base/regmap/regmap.c

@@ -1768,8 +1768,8 @@ static int _regmap_raw_multi_reg_write(struct regmap *map,
 	u8 = buf;
 
 	for (i = 0; i < num_regs; i++) {
-		int reg = regs[i].reg;
-		int val = regs[i].def;
+		unsigned int reg = regs[i].reg;
+		unsigned int val = regs[i].def;
 		trace_regmap_hw_write_start(map, reg, 1);
 		map->format.format_reg(u8, reg, map->reg_shift);
 		u8 += reg_bytes + pad_bytes;