clk: si5341: 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: Mark Brown <broonie@kernel.org>
diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
index 9599857..845b451 100644
--- a/drivers/clk/clk-si5341.c
+++ b/drivers/clk/clk-si5341.c
@@ -1260,7 +1260,7 @@ static int si5341_wait_device_ready(struct i2c_client *client)
 static const struct regmap_config si5341_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.ranges = si5341_regmap_ranges,
 	.num_ranges = ARRAY_SIZE(si5341_regmap_ranges),
 	.max_register = SI5341_REGISTER_MAX,