regulator: tps62360: 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 <[e-mail]>
Link: https://msgid.link/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/tps62360-regulator.c

···
 	.reg_bits		= 8,
 	.val_bits		= 8,
 	.max_register		= REG_CHIPID,
-	.cache_type		= REGCACHE_RBTREE,
+	.cache_type		= REGCACHE_MAPLE,
 };
 
 static struct tps62360_regulator_platform_data *