Update template.yaml to have expected core access options

The old 0x0 variant was no longer supported in target-gen

Author: kevswims

template.yaml

@@ -5,8 +5,7 @@ variants:
       - name: main
         type: {{architecture}}
         core_access_options: !Arm
-          ap: 0x0
-          psel: 0x0
+          ap: !v1 1
     memory_map:
       - !Ram
           range:
@@ -50,4 +49,4 @@ flash_algorithms:
       erase_sector_timeout: 0x0
       sectors:
         - size: 0x0
-          address: 0x0
+          address: 0x0