Add bootmagic support for hub16 and hub20 (#12257)

keyboards/hub16/readme.md

@@ -10,6 +10,15 @@ For more information regarding the keyboard, please visit the [Hub16 Website](ht
 
 Make example for this keyboard (after setting up your build environment):
 
+    make hub16:default
+
+Flashing example for this keyboard:
+
     make hub16:default:flash
 
+To reset the board into bootloader mode, do one of the following:
+
+* Press the reset switch between the center two USB-C ports while the board is plugged in
+* Hold the top left key while connecting the USB cable (also erases persistent settings)
+
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).

keyboards/hub16/rules.mk

@@ -4,7 +4,7 @@ BOOTLOADER = caterina
 
 # Build Options
 CUSTOM_MATRIX = lite		# Custom scanning of matrix
-BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
 MOUSEKEY_ENABLE = yes       # Mouse keys
 EXTRAKEY_ENABLE = yes       # Audio control and System control
 CONSOLE_ENABLE = no         # Console for debug

keyboards/hub20/readme.md

@@ -16,4 +16,9 @@ Flashing example for this keyboard:
 
     make hub20:default:flash
 
+To reset the board into bootloader mode, do one of the following:
+
+* Press the reset switch between the center two USB-C ports while the board is plugged in
+* Hold the top left key while connecting the USB cable (also erases persistent settings)
+
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).

keyboards/hub20/rules.mk

@@ -4,7 +4,7 @@ MCU = STM32F072
 # Build Options
 #   change yes to no to disable
 #
-BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration
+BOOTMAGIC_ENABLE = lite       # Virtual DIP switch configuration
 MOUSEKEY_ENABLE = yes       # Mouse keys
 EXTRAKEY_ENABLE = yes       # Audio control and System control
 CONSOLE_ENABLE = yes        # Console for debug