Fizz: Free up flash space
Fizz: Free up flash space

Fizz is about 1080 bytes(1k for public key), so free up 3900 bytes in
free flash space for it.

BRANCH=None
BUG=None
TEST=make buildall with following CLs

Signed-off-by: Wealian Liao <b980917544b235741b592c0c8e1e53fb264e55ff@nuvoton.corp-partner.google.com>
Change-Id: I25af5330e749a1b8a86b0f0b35aa1400fe599d6c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3256722
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Commit-Queue: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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