HID device is allowed to trigger reconnection by sending an interrupt
report. When reconnection is in progress, no more interrupt report can
be sent until the procedure is accomplished.
1. bluedroid: use standard function pointer define.
2. blufi: Change ESP_BD_ADDR_LEN into ESP_BLUFI_BD_ADDR_LEN
3. doc/sphinx_known_warnings: Remove fixed parts.
- Adds HID Host support in Buedroid
- Adds BLE HID Host and Device support
- Adds some general HID utilities and definitions to help integrate with other stacks and native USB