pinctrl: ralink: rename driver names to subdrivers

MT7620, MT7621, RT2880, RT305X and RT3883 pinctrl are subdrivers of the
Ralink pinctrl driver. Change the bool for these subdrivers accordingly.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20220414173916.5552-7-arinc.unal@arinc9.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/ralink/Kconfig

@@ -8,27 +8,27 @@ config PINCTRL_RALINK
         select GENERIC_PINCONF
 
 config PINCTRL_MT7620
-        bool "mt7620 pinctrl driver for RALINK/Mediatek SOCs"
+        bool "MT7620 pinctrl subdriver"
         depends on RALINK && SOC_MT7620
         select PINCTRL_RALINK
 
 config PINCTRL_MT7621
-        bool "mt7621 pinctrl driver for RALINK/Mediatek SOCs"
+        bool "MT7621 pinctrl subdriver"
         depends on RALINK && SOC_MT7621
         select PINCTRL_RALINK
 
 config PINCTRL_RT2880
-        bool "RT2880 pinctrl driver for RALINK/Mediatek SOCs"
+        bool "RT2880 pinctrl subdriver"
         depends on RALINK && SOC_RT288X
         select PINCTRL_RALINK
 
 config PINCTRL_RT305X
-        bool "RT305X pinctrl driver for RALINK/Mediatek SOCs"
+        bool "RT305X pinctrl subdriver"
         depends on RALINK && SOC_RT305X
         select PINCTRL_RALINK
 
 config PINCTRL_RT3883
-        bool "RT3883 pinctrl driver for RALINK/Mediatek SOCs"
+        bool "RT3883 pinctrl subdriver"
         depends on RALINK && SOC_RT3883
         select PINCTRL_RALINK