ath11k: dump SRNG stats during FW assert

Dumping the SRNG stats during FW assert, this would help
in debugging ring stuck issues.

Co-developed-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
Signed-off-by: Manikanta Pubbisetty <mpubbise@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath11k/ahb.c

@@ -681,6 +681,9 @@ static irqreturn_t ath11k_ahb_ce_interrupt_handler(int irq, void *arg)
 {
 	struct ath11k_ce_pipe *ce_pipe = arg;
 
+	/* last interrupt received for this CE */
+	ce_pipe->timestamp = jiffies;
+
 	ath11k_ahb_ce_irq_disable(ce_pipe->ab, ce_pipe->pipe_num);
 
 	tasklet_schedule(&ce_pipe->intr_tq);
@@ -712,6 +715,9 @@ static irqreturn_t ath11k_ahb_ext_interrupt_handler(int irq, void *arg)
 {
 	struct ath11k_ext_irq_grp *irq_grp = arg;
 
+	/* last interrupt received for this group */
+	irq_grp->timestamp = jiffies;
+
 	ath11k_ahb_ext_grp_disable(irq_grp);
 
 	napi_schedule(&irq_grp->napi);