Cordio: Split get_buffer_pool_description() in pure virtual + default implementation to avoid allocating two memory pools in a static fashion

Author: Donatien Garnier

features/FEATURE_BLE/targets/TARGET_CORDIO/driver/CordioHCIDriver.cpp

@@ -78,7 +78,7 @@ void CordioHCIDriver::terminate()
     _transport_driver.terminate();
 }
 
-buf_pool_desc_t CordioHCIDriver::get_buffer_pool_description()
+buf_pool_desc_t CordioHCIDriver::get_default_buffer_pool_description()
 {
     static union {
         uint8_t buffer[2250];

features/FEATURE_BLE/targets/TARGET_CORDIO/driver/CordioHCIDriver.h

@@ -77,7 +77,7 @@ class CordioHCIDriver {
     /**
      * Return the set of memory pool which will be used by the Cordio stack
      */
-    virtual buf_pool_desc_t get_buffer_pool_description();
+    virtual buf_pool_desc_t get_buffer_pool_description() = 0;
 
     /**
      * Initialize the HCI driver.
@@ -126,6 +126,12 @@ class CordioHCIDriver {
      */
     uint16_t write(uint8_t type, uint16_t len, uint8_t *pData);
 
+protected:
+    /**
+     * Return a defai;t set of memory pool which will be used by the Cordio stack
+     */
+    buf_pool_desc_t get_default_buffer_pool_description();
+
 private:
     /**
      * Initialize the chip.