gpio: 104-idi-48: Enable use_raw_spinlock for idi48_regmap_config

The idi48 regmap can be used in an interrupt context by regmap-irq. To
prevent a deadlock, enable use_raw_spinlock for idi48_regmap_config.

Fixes: e28432a ("gpio: 104-idi-48: Migrate to the regmap-irq API")
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: William Breathitt Gray

drivers/gpio/gpio-104-idi-48.c

@@ -81,6 +81,7 @@ static const struct regmap_config idi48_regmap_config = {
 	.wr_table = &idi_48_wr_table,
 	.rd_table = &idi_48_rd_table,
 	.precious_table = &idi_48_precious_table,
+	.use_raw_spinlock = true,
 };
 
 #define IDI48_NGPIO 48