iio: accel: mma9553: make mma9553_event_info const

Add const qualifier to struct mma9553_event_info mma9553_event_info[].
This is read-only data so it can be made const.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250628-iio-const-data-2-v1-1-a61da3a0941e@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Author: dlech

drivers/iio/accel/mma9553.c

@@ -97,7 +97,7 @@ enum activity_level {
 	ACTIVITY_RUNNING,
 };
 
-static struct mma9553_event_info {
+static const struct mma9553_event_info {
 	enum iio_chan_type type;
 	enum iio_modifier mod;
 	enum iio_event_direction dir;
@@ -152,7 +152,7 @@ static struct mma9553_event_info {
 #define MMA9553_EVENTS_INFO_SIZE ARRAY_SIZE(mma9553_events_info)
 
 struct mma9553_event {
-	struct mma9553_event_info *info;
+	const struct mma9553_event_info *info;
 	bool enabled;
 };