Rename board configuration to PD Buddy Sink

That's the name of the board now, so the configuration should match.

Makefile

 # HAL-OSAL files (optional).
 include $(CHIBIOS)/os/hal/hal.mk
 include $(CHIBIOS)/os/hal/ports/STM32/STM32F0xx/platform.mk
-include $(CHIBIOS)/../boards/PD_BUDDY/board.mk
+include $(CHIBIOS)/../boards/PD_BUDDY_SINK/board.mk
 include $(CHIBIOS)/os/hal/osal/rt/osal.mk
 # RTOS files (optional).
 include $(CHIBIOS)/os/rt/rt.mk

boards/PD_BUDDY/board.mk

-# List of all the board related files.
-BOARDSRC = $(CHIBIOS)/../boards/PD_BUDDY/board.c
-
-# Required include directories
-BOARDINC = $(CHIBIOS)/../boards/PD_BUDDY

boards/PD_BUDDY/board.h → boards/PD_BUDDY_SINK/board.h

 #define BOARD_H
 
 /*
- * Setup for PD Buddy board.
+ * Setup for PD Buddy Sink board.
  */
 
 /*
  * Board identifier.
  */
-#define BOARD_PD_BUDDY
-#define BOARD_NAME                  "PD Buddy"
+#define BOARD_PD_BUDDY_SINK
+#define BOARD_NAME                  "PD Buddy Sink"
 
 /*
  * Board oscillators-related settings.

boards/PD_BUDDY_SINK/board.mk

+# List of all the board related files.
+BOARDSRC = $(CHIBIOS)/../boards/PD_BUDDY_SINK/board.c
+
+# Required include directories
+BOARDINC = $(CHIBIOS)/../boards/PD_BUDDY_SINK

boards/PD_BUDDY/cfg/board.chcfg → boards/PD_BUDDY_SINK/cfg/board.chcfg

 <?xml version="1.0" encoding="UTF-8"?>
-<!--PD Buddy ChibiOS board configuration-->
+<!--PD Buddy Sink ChibiOS board configuration-->
 <board
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:noNamespaceSchemaLocation="http://www.chibios.org/xml/schema/boards/stm32f0xx_board.xsd">
     <output_path>..</output_path>
     <hal_version>3.0.x</hal_version>
   </configuration_settings>
-  <board_name>PD Buddy</board_name>
-  <board_id>PD_BUDDY</board_id>
+  <board_name>PD Buddy Sink</board_name>
+  <board_id>PD_BUDDY_SINK</board_id>
   <board_functions></board_functions>
   <subtype>STM32F072xB</subtype>
   <clocks HSEFrequency="0" HSEBypass="true" LSEFrequency="0"
-  	LSEBypass="false" LSEDrive="3 High Drive (default)" />
+  	LSEBypass="false" LSEDrive="3 High Drive (default)" ></clocks>
   <ports>
     <GPIOA>
       <pin0