adds include paths for Atom

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

Gems/Atom/RHI/Vulkan/Code/CMakeLists.txt

@@ -37,6 +37,7 @@ if(NOT PAL_TRAIT_ATOM_RHI_VULKAN_SUPPORTED)
             NAMESPACE Gem
             FILES_CMAKE
                 ${pal_source_dir}/platform_builders_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
+                ${pal_include_dir}/platform_builders_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
                 atom_rhi_vulkan_reflect_common_files.cmake
                 atom_rhi_vulkan_glad_files.cmake
                 atom_rhi_vulkan_builders_common_files.cmake
@@ -90,6 +91,7 @@ ly_add_target(
     FILES_CMAKE
         atom_rhi_vulkan_private_common_files.cmake
         ${pal_source_dir}/platform_private_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
+        ${pal_include_dir}/platform_private_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
     PLATFORM_INCLUDE_FILES
         ${pal_source_dir}/platform_private_static_${PAL_PLATFORM_NAME_LOWERCASE}.cmake
     INCLUDE_DIRECTORIES