Cleanup: Correct logic for static Embree library SIMD libs

We are only using a dynamic library so this doesn't matter in practice,
just better to avoid having wrong examples in the code.

Pull Request: https://projects.blender.org/blender/blender/pulls/133105

build_files/cmake/Modules/FindEmbree.cmake

@@ -58,7 +58,7 @@ if(EMBREE_INCLUDE_DIR)
 endif()
 
 if(EMBREE_STATIC_LIB)
-  if(NOT (("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64") OR (APPLE AND ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64"))))
+  if((CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64") OR (APPLE AND (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64")))
     set(_embree_SIMD_COMPONENTS
       embree_sse42
       embree_avx