Revert "Revert "[wpa_supplicant] cumilative patch from commit 3a..."

Revert submission 28102966-revert-26533062-Supplicant_merge_June24-CUATTSRBBR

Reason for revert: Fixed the regression issue (ag/28389573)

Reverted changes: /q/submissionid:28102966-revert-26533062-Supplicant_merge_June24-CUATTSRBBR

Bug: 329004037
Test: Turn ON/OFF SoftAp multiple times

Change-Id: Ibfff2a847be5678f1a6d77e28506a05936812a91
diff --git a/hostapd/config_file.h b/hostapd/config_file.h
index c98bdb6..9ef6ac8 100644
--- a/hostapd/config_file.h
+++ b/hostapd/config_file.h
@@ -10,6 +10,8 @@
 #define CONFIG_FILE_H
 
 struct hostapd_config * hostapd_config_read(const char *fname);
+int hostapd_config_read_rxkh_file(struct hostapd_bss_config *conf,
+				  const char *fname);
 int hostapd_set_iface(struct hostapd_config *conf,
 		      struct hostapd_bss_config *bss, const char *field,
 		      char *value);