CR50: re-enable rsa 1024-bit keygen test
CR50: re-enable rsa 1024-bit keygen test

Re-enable the RSA 1024-bit keygen test, which
was fixed by change 76ab8e6f448a3fa3f216b1c54e8a0ca4ff282a08.

BRANCH=none
BUG=chrome-os-partner:43025,chrome-os-partner:47524
BUG=chrome-os-partner:53893
TEST=test/tpm_test/tpmtest.py passes

Change-Id: Id46bcf4ce4468928bd5256a5aadbf5b62419a6e1
Signed-off-by: nagendra modadugu <5dc366ddbf8fb5981f46478e8436ef712a08b71b@google.com>
Reviewed-on: https://chromium-review.googlesource.com/364240
Reviewed-by: Marius Schilder <d423f2980be0298efdef7df239b147d21d472f26@chromium.org>
Reviewed-by: Bill Richardson <129945214b1d548d8e49b6c29c43094f8c78057f@chromium.org>

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