py/mkrules.cmake: Add MPY_LIB_DIR and BOARD_DIR to makemanifest call.
py/mkrules.cmake: Add MPY_LIB_DIR and BOARD_DIR to makemanifest call.

So that the FROZEN_MANIFEST option in cmake works the same as make.

Signed-off-by: Damien George <99e6b749acbfbe2a596df99e91d24d6e1fdbee00@micropython.org>

henriknelson/micropython,bvernoux/micropython,bvernoux/micropython,bvernoux/micropython,adafruit/circuitpython,henriknelson/micropython,henriknelson/micropython,adafruit/circuitpython,bvernoux/micropython,adafruit/circuitpython,adafruit/circuitpython,bvernoux/micropython,henriknelson/micropython,adafruit/circuitpython,adafruit/circuitpython,henriknelson/micropython