Log Message:
kconfig: update to 5.70.0

5.67
  Refactor KConfigXT
  KCONFIG_ADD_KCFG_FILES: regenerate also on new version of kconfig_compiler
  Allow to also pass a target instead of list of sources to KCONFIG_ADD_KCFG_FILES
  Add KSharedConfig::openStateConfig for storing state information
5.68
  [KConfigGui] Clear styleName font property for Regular font sytles
  Fix code generation for entries with min/max
  KConfigSkeletonItem : allow to set a KconfigGroup to read and write items
  in nested groups
  Fix is<PropertyName>Immutable generated property
  Add setNotifyFunction to KPropertySkeletonItem
  Add an is<PropertyName>Immutable to know if a property is immutable
5.69
  [KConfigGui] Check font weight when clearing styleName property
  KconfigXT: Add a value attribute to Enum field choices
5.70
  kconfig_compiler : generate kconfig settings with subgroup
  Fix some compiler warnings
  Add force save behavior to KEntryMap
  Add standard shortcut for "Show/Hide Hidden Files"