Build: Update tf-m-tests commit ID

Update the commit ID of patch [1].

[1]: https://review.trustedfirmware.org/c/TF-M/tf-m-tests/+/8278

Change-Id: I7d26f7b1ce060823302bc7e78c77d560e9ebfb84
Signed-off-by: David Hu <david.hu@arm.com>
1 file changed