pmb.kconfig: refactor to remove args

pmb/commands/kconfig.py

@@ -72,9 +72,9 @@ class KConfigCheck(commands.Command):
 
 class KConfigEdit(commands.Command):
     def __init__(
-        self, pkgname: str | list[str], arch: Arch | None, use_xconfig: bool, use_nconfig: bool
+        self, pkgname: str, arch: Arch | None, use_xconfig: bool, use_nconfig: bool
     ) -> None:
-        self.pkgname_list = [pkgname] if isinstance(pkgname, str) else pkgname
+        self.pkgname = pkgname
         self.arch = arch
 
         if use_xconfig and use_nconfig:
@@ -88,8 +88,7 @@ class KConfigEdit(commands.Command):
             self.chosen_ui = KConfigUI.MENUCONFIG
 
     def run(self) -> None:
-        for pkgname in self.pkgname_list:
-            pmb.build.kconfig.edit_config(pkgname, self.arch, self.chosen_ui)
+        pmb.build.kconfig.edit_config(self.pkgname, self.arch, self.chosen_ui)
 
 
 class KConfigMigrate(commands.Command):