Update to Creating Custom BSP App Note

There is a step missing from the Creating Custom BSP app note that keep the BSP from being created correctly. The app note can be found here:

https://synergygallery.renesas.com/media/products/22/38/en-US/r01an3044eu0102_synergy.pdf

The correction requires adding a step and this change is described in the Renesas Synergy Knowledge base here:

https://knowledgebase.renesas.com/Renesas_Synergy_Platform/Renesas_Synergy_Knowledge_Base/Where_can_I_find_Renesas_Synergy_related_videos%3F/How_do_you_get_the_Synergy_Custom_BSP_Creator_to_work%3F_Im_having_problems_with_the_app_note