accel/habanalabs/gaudi2: add zero padding when printing QM CP instruction

QM instructions are in multiples of 64 bits and the command type is in
the upper bits of first QWORD.
To make it clearer that an undefined command is due to a type of 0x0,
always print all 64 bits and add a zero padding if needed.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

Author: Tomer Tayar

drivers/accel/habanalabs/gaudi2/gaudi2.c

@@ -7884,7 +7884,7 @@ static void handle_lower_qman_data_on_err(struct hl_device *hdev, u64 qman_base,
 	cp_current_inst = ((u64) hi) << 32 | lo;
 
 	dev_info(hdev->dev,
-		"LowerQM. %sCQ: {ptr %#llx, size %u}, CP: {instruction %#llx}\n",
+		"LowerQM. %sCQ: {ptr %#llx, size %u}, CP: {instruction %#018llx}\n",
 		is_arc_cq ? "ARC_" : "", cq_ptr, cq_ptr_size, cp_current_inst);
 
 	if (event_mask & HL_NOTIFIER_EVENT_UNDEFINED_OPCODE) {