[SYCL][NATIVECPU] native_cpu plugin enable fix (#10760)

Fixed the native_cpu plugin only being built if level_zero was enabled
as well

Author: Alcpz

sycl/CMakeLists.txt

@@ -167,10 +167,10 @@ if ("opencl" IN_LIST SYCL_ENABLE_PLUGINS)
 endif()
 if ("level_zero" IN_LIST SYCL_ENABLE_PLUGINS)
   set(SYCL_BUILD_PI_LEVEL_ZERO ON)
+endif()
 if ("native_cpu" IN_LIST SYCL_ENABLE_PLUGINS)
   set(SYCL_BUILD_NATIVE_CPU ON)
 endif()
-endif()
 
 # Configure SYCL version macro
 set(sycl_inc_dir ${CMAKE_CURRENT_SOURCE_DIR}/include)