Fix paths to BuildInPackages and o3de_subdirectories

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

cmake/Platform/Common/Install_common.cmake

@@ -490,12 +490,12 @@ endif()
         string(APPEND builtinpackages "ly_associate_package(PACKAGE_NAME ${package_name} TARGETS ${targets} PACKAGE_HASH ${package_hash})\n")
     endforeach()
 
-    set(permutation_builtin_file ${CMAKE_CURRENT_BINARY_DIR}/cmake/Platform/${PAL_PLATFORM_NAME}/${LY_BUILD_PERMUTATION}/BuiltInPackages_${PAL_PLATFORM_NAME_LOWERCASE}.cmake)
+    set(permutation_builtin_file ${CMAKE_CURRENT_BINARY_DIR}/cmake/3rdParty/Platform/${PAL_PLATFORM_NAME}/${LY_BUILD_PERMUTATION}/BuiltInPackages_${PAL_PLATFORM_NAME_LOWERCASE}.cmake)
     file(GENERATE OUTPUT ${permutation_builtin_file}
         CONTENT ${builtinpackages}
     )
     install(FILES "${permutation_builtin_file}"
-        DESTINATION cmake/Platform/${PAL_PLATFORM_NAME}/${LY_BUILD_PERMUTATION}
+        DESTINATION cmake/3rdParty/Platform/${PAL_PLATFORM_NAME}/${LY_BUILD_PERMUTATION}
         COMPONENT ${CMAKE_INSTALL_DEFAULT_COMPONENT_NAME}
     )
 

cmake/install/Findo3de.cmake.in

@@ -13,7 +13,7 @@ include(FindPackageHandleStandardArgs)
 # This will be called from within the installed engine's CMakeLists.txt
 macro(ly_find_o3de_packages)
     if(LY_MONOLITHIC_GAME)
-        set(monolithic_file "${LY_ROOT_FOLDER}/Platform/${PAL_PLATFORM_NAME}/Monolithic/o3de_subdirectories_${PAL_PLATFORM_NAME_LOWERCASE}.cmake")
+        set(monolithic_file "${LY_ROOT_FOLDER}/cmake/Platform/${PAL_PLATFORM_NAME}/Monolithic/o3de_subdirectories_${PAL_PLATFORM_NAME_LOWERCASE}.cmake")
         if(NOT EXISTS ${monolithic_file})
             message(FATAL_ERROR "O3DE SDK was not generated to support monolithic builds")
         endif()