Revert "[wpa_supplicant] Cumulative patch from b8491ae5a"

This reverts commit 878cf7bcbf2d7d8f08c3d060b8c5fbfcf0743eda.

Reason for revert: git_master/sdk_phone_armv7-sdk

Change-Id: I6070fc5c1f9c20867f6dfce90e529e35578d572e
diff --git a/src/crypto/sha1-tlsprf.c b/src/crypto/sha1-tlsprf.c
index 5e8d159..a11649a 100644
--- a/src/crypto/sha1-tlsprf.c
+++ b/src/crypto/sha1-tlsprf.c
@@ -92,10 +92,10 @@
 		SHA1_pos++;
 	}
 
-	forced_memzero(A_MD5, MD5_MAC_LEN);
-	forced_memzero(P_MD5, MD5_MAC_LEN);
-	forced_memzero(A_SHA1, SHA1_MAC_LEN);
-	forced_memzero(P_SHA1, SHA1_MAC_LEN);
+	os_memset(A_MD5, 0, MD5_MAC_LEN);
+	os_memset(P_MD5, 0, MD5_MAC_LEN);
+	os_memset(A_SHA1, 0, SHA1_MAC_LEN);
+	os_memset(P_SHA1, 0, SHA1_MAC_LEN);
 
 	return 0;
 }