power: supply: bq24257: convert to use maple tree register cache

The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Link: https://lore.kernel.org/r/20250228080236.2759-3-liubo03@inspur.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/bq24257_charger.c

@@ -113,7 +113,7 @@ static const struct regmap_config bq24257_regmap_config = {
 	.val_bits = 8,
 
 	.max_register = BQ24257_REG_7,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 
 	.volatile_reg = bq24257_is_volatile_reg,
 };