regulator: Fix MAX77838 selection

The current entry for the MAX77838 regulator is unselectable (as it
depended on a non-user-selectable config - REGMAP_I2C). Fix this by
making it select the config, and not depending on it.

Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Link: https://patch.msgid.link/20250917-maxreg-kconfig-fix-v1-1-1369f88d6272@mentallysanemainliners.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: BotchedRPR

drivers/regulator/Kconfig

@@ -779,7 +779,8 @@ config REGULATOR_MAX77826
 
 config REGULATOR_MAX77838
 	tristate "Maxim 77838 regulator"
-	depends on REGMAP_I2C
+	depends on I2C
+	select REGMAP_I2C
 	help
 	  This driver controls a Maxim 77838 regulator via I2C bus.
 	  The regulator include 4 LDOs and a BUCK regulator. It's