Use 52 char strings, instead of 13 word string.

boards/uniboard2b/libraries/unb2b_board/unb2b_board.peripheral.yaml

@@ -109,7 +109,7 @@ peripherals:
               user_width: 8
               access_mode: RO
               address_offset: 0x8
-              number_of_fields: 13
+              number_of_fields: 52
               radix: char
           - - field_name: stamp_date
               field_description: "FPGA FW compile date string."
@@ -132,7 +132,7 @@ peripherals:
               user_width: 8
               access_mode: RO
               address_offset: 0x50
-              number_of_fields: 13
+              number_of_fields: 52
               radix: char
               
   - peripheral_name: wdi  # pi_wdi.py