ath9k: Add MCI interrupt to debugfs statistics

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index fde700c..c134dda 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -374,6 +374,8 @@
 		sc->debug.stats.istats.dtim++;
 	if (status & ATH9K_INT_TSFOOR)
 		sc->debug.stats.istats.tsfoor++;
+	if (status & ATH9K_INT_MCI)
+		sc->debug.stats.istats.mci++;
 }
 
 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
@@ -418,6 +420,7 @@
 	PR_IS("DTIMSYNC", dtimsync);
 	PR_IS("DTIM", dtim);
 	PR_IS("TSFOOR", tsfoor);
+	PR_IS("MCI", mci);
 	PR_IS("TOTAL", total);
 
 	len += snprintf(buf + len, mxlen - len,