fix(cmake): Correctly report system BLAS in summary

Author: sincethestudy

cmake/Open3DPrintConfigurationSummary.cmake

@@ -93,7 +93,11 @@ function(open3d_print_configuration_summary)
                 endif()
             endif()
         else()
-            open3d_aligned_print("${dep}" "no")
+            if(dep STREQUAL "BLAS" AND USE_SYSTEM_BLAS)
+                open3d_aligned_print("${dep}" "yes (system)")
+            else()
+                open3d_aligned_print("${dep}" "no")
+            endif()
         endif()
     endforeach()
     message(STATUS "================================================================================")