wifi: iwlwifi: fix a memory corruption

iwl_fw_ini_trigger_tlv::data is a pointer to a __le32, which means that
if we copy to iwl_fw_ini_trigger_tlv::data + offset while offset is in
bytes, we'll write past the buffer.

Cc: stable@vger.kernel.org
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218233
Fixes: cf29c5b6

 ("iwlwifi: dbg_ini: implement time point handling")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240111150610.2d2b8b870194.I14ed76505a5cf87304e0c9cc05cc0ae85ed3bf91@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>