boards: Rename pic32-clicker to 6lowpan-clicker

After releasing the 6LoWPAN clicker, MikroE released yet another PIC32 based clicker
named the PIC32MX clicker. To avoid any confusion between the two boards, pic32-clicker
is renamed to 6lowpan-clicker.

Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>

boards/6lowpan-clicker/doc.txt

@@ -1,7 +1,7 @@
 /**
-@defgroup    boards_pic32-clicker MikroE PIC32 Clicker
+@defgroup    boards_6lowpan-clicker MikroE 6LoWPAN Clicker
 @ingroup     boards
-@brief       Support for the MikroE PIC32 Clicker
+@brief       Support for the MikroE 6LoWPAN Clicker
 
 ## Overview
 
@@ -86,7 +86,7 @@ There are two ways to flash the MCU:
 
 ## Supported Toolchains
 
-For using the pic32-clicker board we strongly recommend the usage of the
+For using the 6lowpan-clicker board we strongly recommend the usage of the
 [Codescape GNU Tools](https://codescape.mips.com) toolchain.
 
 

boards/6lowpan-clicker/include/board.h

@@ -9,16 +9,16 @@
  */
 
 /**
- * @ingroup     boards_pic32-clicker
+ * @ingroup     boards_6lowpan-clicker
  * @details
  * see:
- * http://www.mikroe.com/pic32/pic32mx-clicker/
+ * https://www.mikroe.com/clicker-6lowpan
  * For more information on the board.
  *
  * @{
  *
  * @file
- * @brief       board configuration for the MikroE PIC32 Clicker
+ * @brief       board configuration for the MikroE 6LoWPAN Clicker
  *
  * @author      Neil Jones <Neil.Jones@imgtec.com>
  */

boards/6lowpan-clicker/include/gpio_params.h

@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     boards_pic32-wifire
+ * @ingroup     boards_6lowpan-clicker
  * @{
  *
  * @file

boards/6lowpan-clicker/include/periph_conf.h

@@ -9,11 +9,11 @@
  */
 
 /**
- * @ingroup     boards_pic32-clicker
+ * @ingroup     boards_6lowpan-clicker
  * @{
  *
  * @file
- * @brief       peripheral configuration for the MikroE PIC32 Clicker
+ * @brief       peripheral configuration for the MikroE 6LoWPAN Clicker
  *
  * @author      Neil Jones <Neil.Jones@imgtec.com>
  */