staging: vchiq_core: fix logic redundancy in parse_open

We update sync to reflect that the firmware version is compatible with
that option. We don't need to check both of them again further down the
code.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>