lists: fixes of issues founded by using luacheck on lists

This fixes updater error:
[string "base-conditional.lua"]:6: '=' expected near 'Install'

lists/base-conditional.lua.m4

 -- Packages extensions and integrations with other with indirect dependencies
+include(utils.m4)dnl
 
 _FEATURE_GUARD_
 

lists/base.lua.m4

@@ -12,7 +12,7 @@ list_script('webapps.lua')
 
 
 -- Install various timezone information so local time would work
-zoneinfo = {"core", "atlantic", "asia", "africa", "australia-nz", "europe", "northamerica", "india", "pacific", "poles", "simple", "southamerica"}
+local zoneinfo = {"core", "atlantic", "asia", "africa", "australia-nz", "europe", "northamerica", "india", "pacific", "poles", "simple", "southamerica"}
 for _, zone in pairs(zoneinfo) do
 	Install("zoneinfo-" .. zone, { priority = 40 })
 end

lists/repository.lua.m4

@@ -3,7 +3,6 @@ include(utils.m4)dnl
 local feeds = { "base", "core" esyscmd(`awk "/^src-git/{printf \", \\\"%s\\\"\", \$'`2}" '_FEEDS_)}
 
 local rroot
-local optional_extra
 if features.relative_uri then
 	rroot = ".."
 else

lists/utils.m4

@@ -39,7 +39,7 @@ if not board then
 		board = "mox"
 	elseif model:match("[Oo]mnia") then
 		board = "omnia"
-	elseif model:match("^[Tt]urris$") or model:match("[Tt]urris ?1\.?x") then
+	elseif model:match("^[Tt]urris$") or model:match("[Tt]urris ?1%.?x") then
 		board = "turris1x"
 	else
 		DIE("Unsupported Turris model: " .. tostring(model))