jerry: Increase HC task stack size.
jerry: Increase HC task stack size.

With ToT images, we were hitting a stack overflow in the host command
task.

BUG=none
BRANCH=none
TEST=disable EC SW sync, flash jerry, verify it boots to login screen.

Change-Id: I978b768c1619b4f0dfe862e96c31a91cebce8b87
Signed-off-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@google.com>
Reviewed-on: https://chromium-review.googlesource.com/440396
Commit-Ready: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Tested-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Reviewed-by: Shelley Chen <ab7b8cc85923339aed379eb1c5cc4dccfd2eb3d7@chromium.org>

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