stlink: enable queuing with stlink-server API v3
ST-Link Server 2.1.0-1 fixes concurrency issue with RW_MISC command
Starting from this version the ST-Link Server API is now v3.
In this change we save the ST-Link Server version, and check if the
API is greater or equal to 3 to enable the queuing.
Change-Id: I239eb81024700514c607a269b66651f457206faa
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6876
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>