riscv-emulation: Set stack size to 0 in Kconfig

Build now decides the stack size by correctly referencing the
value in /src/mainboard/emulation/qemu-riscv/memlayout.ld.
Note that while the size is correct, the placement is still
wrong, and causes the stack to be corrupted by the coreboot
tables. Still needs to be addressed

Change-Id: I86c08bd53eeb64e672fecba21e06220694a4c3dd
Signed-off-by: Thaminda Edirisooriya <thaminda@google.com>
Reviewed-on: http://review.coreboot.org/10870
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

0 files changed, 0 insertions, 0 deletions