General code and comment cleanup

Kconfig

@@ -9,14 +9,14 @@ menu "Relay Channel Driver Configuration"
             starting the output. This is useful for the motors or some other
             mechanical actuators to allow them to stop and settle before
             changing the direction.
-    
+
     config RELAY_CHN_COUNT
         int "Number of relay channels"
         range 1 8
         default 1
         help
             Number of relay channels between 1 and 8.
-    
+
     config RELAY_CHN_ENABLE_RUN_LIMIT
         bool "Enable run limit for channels"
         default n
@@ -32,7 +32,7 @@ menu "Relay Channel Driver Configuration"
             at a time. Tilting is specifically designed for controlling some
             types of curtains that need to be adjusted to let enter specific
             amount of day light.
-    
+
     config RELAY_CHN_ENABLE_NVS
         bool "Enable persistent NVS storage for relay channel"
         default n
@@ -58,7 +58,7 @@ menu "Relay Channel NVS Storage Configuration"
             If enabled, a custom NVS partition will be used for storing
             relay channel configuration. If disabled, the default NVS
             partition will be used.
-    
+
     config RELAY_CHN_NVS_CUSTOM_PARTITION_NAME
         string "Custom NVS partition name"
         depends on RELAY_CHN_NVS_CUSTOM_PARTITION
@@ -92,5 +92,5 @@ menu "Relay Channel Run Limit Configuration"
         default 60
         help
             Default run limit in seconds for channels.
-    
+
 endmenu