QSPIFBlockDevice: use mbed namespace

Author: facchinm

components/storage/blockdevice/COMPONENT_QSPIF/QSPIFBlockDevice.h

@@ -53,7 +53,7 @@
  */
 enum qspif_bd_error {
     QSPIF_BD_ERROR_OK                    = 0,     /*!< no error */
-    QSPIF_BD_ERROR_DEVICE_ERROR          = BD_ERROR_DEVICE_ERROR, /*!< device specific error -4001 */
+    QSPIF_BD_ERROR_DEVICE_ERROR          = mbed::BD_ERROR_DEVICE_ERROR, /*!< device specific error -4001 */
     QSPIF_BD_ERROR_PARSING_FAILED        = -4002, /* SFDP Parsing failed */
     QSPIF_BD_ERROR_READY_FAILED          = -4003, /* Wait for Mem Ready failed */
     QSPIF_BD_ERROR_WREN_FAILED           = -4004, /* Write Enable Failed */
@@ -289,7 +289,7 @@ class QSPIFBlockDevice : public mbed::BlockDevice {
     qspi_status_t _qspi_set_frequency(int freq);
 
     // Update the 4-byte addressing extension register with the MSB of the address if it is in use
-    qspi_status_t _qspi_update_4byte_ext_addr_reg(bd_addr_t addr);
+    qspi_status_t _qspi_update_4byte_ext_addr_reg(mbed::bd_addr_t addr);
 
     /*********************************/
     /* Flash Configuration Functions */