pinctrl: imx8m: kconfig: Depends on SOC_IMX8M

Change PINCTRL_IMX8M* dependency from just ARCH_MXC to SOC_IMX8M,
likewise is done for other PINCTRL_IMX* kconfig. This avoid polluting
the config when SOC_IMX8M is not enabled.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20220830142727.313080-1-francesco.dolcini@toradex.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/freescale/Kconfig

@@ -119,28 +119,28 @@ config PINCTRL_IMX7ULP
 
 config PINCTRL_IMX8MM
 	tristate "IMX8MM pinctrl driver"
-	depends on ARCH_MXC
+	depends on SOC_IMX8M
 	select PINCTRL_IMX
 	help
 	  Say Y here to enable the imx8mm pinctrl driver
 
 config PINCTRL_IMX8MN
 	tristate "IMX8MN pinctrl driver"
-	depends on ARCH_MXC
+	depends on SOC_IMX8M
 	select PINCTRL_IMX
 	help
 	  Say Y here to enable the imx8mn pinctrl driver
 
 config PINCTRL_IMX8MP
 	tristate "IMX8MP pinctrl driver"
-	depends on ARCH_MXC
+	depends on SOC_IMX8M
 	select PINCTRL_IMX
 	help
 	  Say Y here to enable the imx8mp pinctrl driver
 
 config PINCTRL_IMX8MQ
 	tristate "IMX8MQ pinctrl driver"
-	depends on ARCH_MXC
+	depends on SOC_IMX8M
 	select PINCTRL_IMX
 	help
 	  Say Y here to enable the imx8mq pinctrl driver