lantis: Increase task stack sizes
lantis: Increase task stack sizes

This CL increases task stack sizes along with crrev.com/c/2587794
since lantis was initialed with drawcia's image.

BUG=None
BRANCH=dedede
TEST=Verify that new task stacks sizes are present and that there
is plenty of free RAM left.

Signed-off-by: Tommy Chung <6120d22c63496c33c3bb182026a6e985639be44d@quanta.corp-partner.google.com>
Change-Id: I0e1e18e23fdd1aa90db0588d8f4e859e781edc40
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2591830
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