Restore OTA CRC integrity check and add hard reset after BLE DFU#21

4np wants to merge 3 commits into

oltaco:masteroltaco/Adafruit_nRF52_Bootloader_OTAFIX:masterfrom

4np:fix-ota-crc-discard-and-no-reset-after-ble-dfu4np/Adafruit_nRF52_Bootloader_OTAFIX:fix-ota-crc-discard-and-no-reset-after-ble-dfuCopy head branch name to clipboard