ST-Link Upgrade Firmware V2.J14.S3

ST-LinkUpgrade.exe v2.1: - On ST-Link, upgrade firmware to version V1J12S3: * modifications for SWD communication (STM32) - On ST-Link/V2, upgrade firmware to V2J14S3: * Added command for target hardware reset * Added command for target voltage measurement * Added SWV commands This version uses STLinkUSBDriver.dll v4.2.2.0 which requires the Winusb Microsoft driver to be installed (which is not the case, by default, on Windows XP). A dedicated setup (STLinkV2USBDriver.exe) is published for installing this driver on XP. This driver is also installed by the STToolset setup from pack24 version.