esp8266/boards/GENERIC/mpconfigboard.mk: Comment out FROZEN_MANIFEST.
esp8266/boards/GENERIC/mpconfigboard.mk: Comment out FROZEN_MANIFEST.

There's some issue with build otherwise.

Change-Id: Ifd69a61b5b992ac9bd49d86b7a8d83d5183e2004
Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython