power: supply: rt9455: 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/20250228080236.2759-9-liubo03@inspur.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Author: Bo Liu

drivers/power/supply/rt9455_charger.c

@@ -1579,7 +1579,7 @@ static const struct regmap_config rt9455_regmap_config = {
 	.writeable_reg	= rt9455_is_writeable_reg,
 	.volatile_reg	= rt9455_is_volatile_reg,
 	.max_register	= RT9455_REG_MASK3,
-	.cache_type	= REGCACHE_RBTREE,
+	.cache_type	= REGCACHE_MAPLE,
 };
 
 static int rt9455_probe(struct i2c_client *client)