Waddledoo: Define CONFIG_CHIP_INIT_ROM_REGION
Waddledoo: Define CONFIG_CHIP_INIT_ROM_REGION

Waddledoo is almost out of space on ToT, so move the init data region to
free up some flash.

BRANCH=None
BUG=None
TEST=make -j buildall; see that we report 1.6k free flash space for Doo
now

Signed-off-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Change-Id: I9eb713777c9767475933a603dd57e88fa33ea46a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2540388
Reviewed-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Commit-Queue: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec