hwmon: (tmp401) 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/20240202072235.41614-1-liubo03@inspur.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/tmp401.c

@@ -256,7 +256,7 @@ static int tmp401_reg_write(void *context, unsigned int reg, unsigned int val)
 static const struct regmap_config tmp401_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.volatile_reg = tmp401_regmap_is_volatile,
 	.reg_read = tmp401_reg_read,
 	.reg_write = tmp401_reg_write,