Fix test_bdb.sh
Fix test_bdb.sh

test_bdb.sh is failing because sp-rw.bin is missing. Adding sp-rw.bin.

BUG=none
BRANCH=none
TEST=make runtests

Change-Id: I7cb892077e424bdfa5f723051a7ebbbda04f14c2
Signed-off-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/396393
Reviewed-by: Randall Spangler <62698fdbb84d1779579ee80c3f39fac22017e5bc@chromium.org>

coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot