printk: silence TEE logs from userspace

- Spams logs, pushing out useful messages
- Reduces security because it exposes internal information

Signed-off-by: kdrag0n <dragon@khronodragon.com>

kernel/printk/printk.c

@@ -802,7 +802,8 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
 		}
 	}
 
-	if (strncmp("healthd", line, 7) == 0) {
+	if (unlikely(strncmp("healthd", line, 7) == 0 || strncmp("Trustonic TEE", line, 13) == 0))
+	{
 		return len;
 	}