CA-191248: Handle vgpu_extra_args within xapi
CA-191248: Handle vgpu_extra_args within xapi

Rather than allowing vgpu_extra_args to be passed down to xenopsd via
the platform map, append it to the config string in xapi before passing
the metadata down to xenopsd.

Signed-off-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>

thomassa/xen-api,jjd27/xen-api,Frezzle/xen-api,srowe/xen-api,Frezzle/xen-api,euanh/xen-api,thomassa/xen-api,rafalmiel/xen-api,rafalmiel/xen-api,Frezzle/xen-api,srowe/xen-api,euanh/xen-api,srowe/xen-api,euanh/xen-api,thomassa/xen-api,simonjbeaumont/xen-api,jjd27/xen-api,simonjbeaumont/xen-api,euanh/xen-api,euanh/xen-api,jjd27/xen-api,thomassa/xen-api,jjd27/xen-api,thomassa/xen-api,srowe/xen-api,simonjbeaumont/xen-api,jjd27/xen-api,Frezzle/xen-api,simonjbeaumont/xen-api,rafalmiel/xen-api,rafalmiel/xen-api,simonjbeaumont/xen-api,rafalmiel/xen-api,Frezzle/xen-api,srowe/xen-api,thomassa/xen-api,rafalmiel/xen-api,simonjbeaumont/xen-api,euanh/xen-api,jjd27/xen-api