CLI: Add ATmega328 and ATtiny85 to supported CPUs (#9371)

* CLI: Add ATmega328 to supported CPUs

Support for ATmega328 was added in #9043.

* Update lib/python/qmk/constants.py

lib/python/qmk/constants.py

@@ -12,4 +12,4 @@ MAX_KEYBOARD_SUBFOLDERS = 5
 ARM_PROCESSORS = 'cortex-m0', 'cortex-m0plus', 'cortex-m3', 'cortex-m4', 'MKL26Z64', 'MK20DX128', 'MK20DX256', 'STM32F042', 'STM32F072', 'STM32F103', 'STM32F303'
 AVR_PROCESSORS = 'at90usb1286', 'at90usb646', 'atmega16u2', 'atmega328p', 'atmega32a', 'atmega32u2', 'atmega32u4', None
 ALL_PROCESSORS = ARM_PROCESSORS + AVR_PROCESSORS
-VUSB_PROCESSORS = 'atmega328p', 'atmega32a'
+VUSB_PROCESSORS = 'atmega328p', 'atmega32a', 'atmega328', 'attiny85'