tz_log: Do not add hyp files in tzdbg directory

If the target does not support hyp, then no need to
add the hyp files in tzdbg directory. So skip adding
of hyp files when hyp is not supported.

Change-Id: Ie9ce86b01fce82aa68b969fd19868d94849bc814
Signed-off-by: Brahmaji K <bkomma@codeaurora.org>