mfd: arizona: Specify regmap endianness

Explicitly set the regmap endianness instead of relying on
the default being correct.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/wm5102-tables.c

@@ -1926,6 +1926,8 @@ const struct regmap_config wm5102_spi_regmap = {
 	.reg_bits = 32,
 	.pad_bits = 16,
 	.val_bits = 16,
+	.reg_format_endian = REGMAP_ENDIAN_BIG,
+	.val_format_endian = REGMAP_ENDIAN_BIG,
 
 	.max_register = WM5102_MAX_REGISTER,
 	.readable_reg = wm5102_readable_register,
@@ -1940,6 +1942,8 @@ EXPORT_SYMBOL_GPL(wm5102_spi_regmap);
 const struct regmap_config wm5102_i2c_regmap = {
 	.reg_bits = 32,
 	.val_bits = 16,
+	.reg_format_endian = REGMAP_ENDIAN_BIG,
+	.val_format_endian = REGMAP_ENDIAN_BIG,
 
 	.max_register = WM5102_MAX_REGISTER,
 	.readable_reg = wm5102_readable_register,