Cosmetic fix
Ensure better pretty-printing of param names
Use REPORT_ERROR instead of CHECK_ERROR for non-fatals
More switchover to REPORT_ERROR
Fix a bug where PCI id's of 0x80 or higher got sign extended in output
due to being cl_char in AMD's struct. 86:00.0 was shown as ffffff86:00.0
Translate nvidia's 'devfunc' to device and function.