Updates u8glib's bmp2hex converter

Marlin/dogm_bitmaps.h

@@ -21,8 +21,14 @@
  */
 
 /**
- * BitMap for splashscreen
+ * Standard Marlin Bitmap for splashscreen
- * Generated with: http://www.digole.com/tools/PicturetoC_Hex_converter.php
+ *
+ * You may use one of the following tools to generate the C++ bitmap array from
+ * a black and white image:
+ *
+ *  - http://www.marlinfw.org/tools/u8glib/converter.html
+ *  - http://www.digole.com/tools/PicturetoC_Hex_converter.php
+ *
  * Please note that using the high-res version takes 402Bytes of PROGMEM.
  */
 

Marlin/example_configurations/Cartesio/_Bootscreen.h

@@ -19,9 +19,18 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * Custom Bitmap for splashscreen
+ *
+ * You may use one of the following tools to generate the C++ bitmap array from
+ * a black and white image:
+ *
+ *  - http://www.marlinfw.org/tools/u8glib/converter.html
+ *  - http://www.digole.com/tools/PicturetoC_Hex_converter.php
+ */
 #include <avr/pgmspace.h>
 
-#if ENABLED(SHOW_BOOTSCREEN) && ENABLED(SHOW_CUSTOM_BOOTSCREEN)
 #define CUSTOM_BOOTSCREEN_TIMEOUT   2500
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  63
 #define CUSTOM_BOOTSCREEN_BMPHEIGHT 64
@@ -92,4 +101,3 @@
   0x00, 0x00, 0x00, 0x7f, 0xf8, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 };
-#endif

Marlin/example_configurations/Hephestos_2/_Bootscreen.h

@@ -19,9 +19,18 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * Custom Bitmap for splashscreen
+ *
+ * You may use one of the following tools to generate the C++ bitmap array from
+ * a black and white image:
+ *
+ *  - http://www.marlinfw.org/tools/u8glib/converter.html
+ *  - http://www.digole.com/tools/PicturetoC_Hex_converter.php
+ */
 #include <avr/pgmspace.h>
 
-#if ENABLED(SHOW_BOOTSCREEN) && ENABLED(SHOW_CUSTOM_BOOTSCREEN)
 #define CUSTOM_BOOTSCREEN_TIMEOUT   2500
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  62
 #define CUSTOM_BOOTSCREEN_BMPHEIGHT 64
@@ -92,4 +101,3 @@
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78,
 };
-#endif