PortentaH7: fix SecureQSPIFBlockDevice initialization

Author: facchinm

variants/PORTENTA_H7_M7/variant.cpp

@@ -258,18 +258,15 @@ class SecureQSPIFBlockDevice: public QSPIFBlockDevice {
 static uint8_t *_boardInfo = (uint8_t*)(0x801F000);
 static bool has_otp_info = false;
 
-static SecureQSPIFBlockDevice secure_root;
-
 // 8Kbit secure OTP area (on MX25L12833F)
 bool getSecureFlashData() {
-    static PortentaBoardInfo* info = new PortentaBoardInfo();
+    static PortentaBoardInfo info;
+    static SecureQSPIFBlockDevice secure_root;
     secure_root.init();
-    auto ret = secure_root.readSecure(info, 0, sizeof(PortentaBoardInfo));
-    if (info->magic == OTP_QSPI_MAGIC) {
-      _boardInfo = (uint8_t*)info;
+    auto ret = secure_root.readSecure(&info, 0, sizeof(PortentaBoardInfo));
+    if (info.magic == OTP_QSPI_MAGIC) {
+      _boardInfo = (uint8_t*)&info;
       has_otp_info = true;
-    } else {
-      delete info;
     }
     secure_root.deinit();
     return ret == 0;
@@ -411,4 +408,4 @@ void bootM4() {
 #endif
 }
 
-#endif
+#endif