ASoC: Use maple tree register cache for Everest Semi

Merge series from Mark Brown <broonie@kernel.org>:

Several of the Everest Semi CODECs only support single register read and
write operations and therefore do not benefit from using the rbtree
cache over the maple tree cache, convert them to the more modern maple
tree cache.

sound/soc/codecs/es8316.c

@@ -825,7 +825,7 @@ static const struct regmap_config es8316_regmap = {
 	.use_single_write = true,
 	.max_register = 0x53,
 	.volatile_reg = es8316_volatile_reg,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
 static int es8316_i2c_probe(struct i2c_client *i2c_client)

sound/soc/codecs/es8328.c

@@ -822,7 +822,7 @@ const struct regmap_config es8328_regmap_config = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
 	.max_register	= ES8328_REG_MAX,
-	.cache_type	= REGCACHE_RBTREE,
+	.cache_type	= REGCACHE_MAPLE,
 	.use_single_read = true,
 	.use_single_write = true,
 };