HID: intel-ish-hid: Fix a use after free in load_fw_from_host()

We have to print the filename first before we can kfree it.

Fixes: 91b22810

 ("HID: intel-ish-hid: ISH firmware loader client driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>