Reordered scope argument-parsing function's arguments - Return var is now 1st.

Updated usages accordingly.
Also updated the `link_library_flags` function to use the scope parsing function, it was somehow missed until now.

Author: MrPointer

cmake/Platform/Libraries/LibraryFlagsManager.cmake

@@ -6,16 +6,8 @@
 #=============================================================================#
 function(set_library_flags _library_target _board_id)
 
-    set(scope_options "PRIVATE" "PUBLIC" "INTERFACE")
-    cmake_parse_arguments(parsed_args "${scope_options}" "" "" ${ARGN})
-
-    if (parsed_args_PRIVATE)
-        set(scope PRIVATE)
-    elseif (parsed_args_INTERFACE)
-        set(scope INTERFACE)
-    else ()
-        set(scope PUBLIC)
-    endif ()
+    parse_scope_argument(scope "${ARGN}"
+            DEFAULT_SCOPE PUBLIC)
 
     # Set C++ compiler flags
     get_cmake_compliant_language_name(cpp flags_language)

cmake/Platform/Other/TargetFlagsManager.cmake

@@ -6,7 +6,7 @@
 function(set_compiler_target_flags _target_name _board_id)
 
     cmake_parse_arguments(parsed_args "" "LANGUAGE" "" ${ARGN})
-    parse_scope_argument("${ARGN}" scope
+    parse_scope_argument(scope "${ARGN}"
             DEFAULT_SCOPE PUBLIC)
 
     if (parsed_args_LANGUAGE)

cmake/Platform/Targets/ArduinoCMakeLibraryTarget.cmake

@@ -48,7 +48,7 @@ function(_link_arduino_cmake_library _target_name _library_name)
     endif ()
 
     cmake_parse_arguments(parsed_args "" "BOARD_CORE_TARGET" "" ${ARGN})
-    parse_scope_argument("${ARGN}" scope)
+    parse_scope_argument(scope "${ARGN}")
 
     # Resolve Core-Lib's target
     if (parsed_args_BOARD_CORE_TARGET)

cmake/Platform/Targets/PlatformLibraryTarget.cmake

@@ -49,7 +49,7 @@ function(link_platform_library _target_name _library_name _board_id)
         message(FATAL_ERROR "Target ${_target_name} doesn't exist - It must be created first!")
     endif ()
 
-    parse_scope_argument("${ARGN}" scope
+    parse_scope_argument(scope "${ARGN}"
             DEFAULT_SCOPE PUBLIC)
 
     if (NOT TARGET ${_library_name})

cmake/Platform/Utilities/CMakeArgumentsUtils.cmake

@@ -50,7 +50,7 @@ endfunction()
 #       _return_var - Name of a CMake variable that will hold the extraction result.
 #       Returns - Parsed scope if one is found or the DEFAULT_SCOPE if set, otherwise an error.
 #=============================================================================#
-function(parse_scope_argument _cmake_args _return_var)
+function(parse_scope_argument _return_var _cmake_args)
 
     cmake_parse_arguments(parsed_args "" "DEFAULT_SCOPE" "" ${ARGN})