HCI Transport EM9304 API API

hci_transport_em9304_spi.h : The EM9304 uses an extended SPI interface and this HCI Transport is based on the the btstack_em9304.h interface.

/*
 * @brief Setup H4 over SPI instance for EM9304 with em9304_spi_driver
 * @param em9304_spi_driver to use
 */
const hci_transport_t * hci_transport_em9304_spi_instance(const btstack_em9304_spi_t * em9304_spi_driver);