Moves the inclusion of the platform-specific install files to the end of cmake/Install.cmake so the install wrapper functions are available

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

cmake/Install.cmake

@@ -8,11 +8,6 @@
 
 set(LY_INSTALL_ENABLED TRUE CACHE BOOL "Indicates if the install process is enabled")
 
-if(LY_INSTALL_ENABLED)
-    ly_get_absolute_pal_filename(pal_dir ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Platform/${PAL_PLATFORM_NAME})
-    include(${pal_dir}/Install_${PAL_PLATFORM_NAME_LOWERCASE}.cmake)
-endif()
-
 #! ly_install: wrapper to install that handles common functionality
 #
 # \notes: 
@@ -22,6 +17,10 @@ endif()
 #
 function(ly_install)
 
+    if(NOT LY_INSTALL_ENABLED)
+        return()
+    endif()
+
     cmake_parse_arguments(ly_install "" "COMPONENT" "" ${ARGN})
     if (NOT ly_install_COMPONENT OR "${ly_install_COMPONENT}" STREQUAL "${CMAKE_INSTALL_DEFAULT_COMPONENT_NAME}")
         # if it is installing under the default component, we need to de-duplicate since we can have
@@ -194,3 +193,8 @@ function(ly_install_run_script SCRIPT)
     )
 
 endfunction()
+
+if(LY_INSTALL_ENABLED)
+    ly_get_absolute_pal_filename(pal_dir ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Platform/${PAL_PLATFORM_NAME})
+    include(${pal_dir}/Install_${PAL_PLATFORM_NAME_LOWERCASE}.cmake)
+endif()