Dname may contain special character '/'
Dname may contain special character '/'

When adding the restrictions to Pname, Dname and Dvariant in 1.4.1 we were to restrictive of Dname as there is device in use with names containing a '/' character.
ARM-software/CMSIS_5,JonatanAntoni/CMSIS_5,ARM-software/CMSIS_5,ARM-software/CMSIS_5,ARM-software/CMSIS_5,JonatanAntoni/CMSIS_5,JonatanAntoni/CMSIS_5,ARM-software/CMSIS_5,ARM-software/CMSIS_5,JonatanAntoni/CMSIS_5,JonatanAntoni/CMSIS_5,JonatanAntoni/CMSIS_5