QNX: Fix control interface directory misuse as PID file

Control interface directory (sigma_hapd_ctrl) is being used as PID file
in ap_config_commit of QNX driver. Fix this by removing the "-P" hostapd
command line option.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
diff --git a/ap.c b/ap.c
index f223802..9eff94c 100644
--- a/ap.c
+++ b/ap.c
@@ -4683,11 +4683,10 @@
 
 	if (drv == DRIVER_QNXNTO) {
 		snprintf(buf, sizeof(buf),
-			 "hostapd -B %s%s -P %s %s%s" SIGMA_TMPDIR
+			 "hostapd -B %s%s %s%s" SIGMA_TMPDIR
 			 "/sigma_dut-ap.conf",
 			 dut->hostapd_debug_log ? "-ddKt -f " : "",
 			 dut->hostapd_debug_log ? dut->hostapd_debug_log : "",
-			 sigma_hapd_ctrl,
 			 dut->hostapd_entropy_log ? " -e" : "",
 			 dut->hostapd_entropy_log ? dut->hostapd_entropy_log :
 			 "");