staging: unisys: visorbus: remove inline keyword from visorchipset

Removed inline keyword from the functions in visorchipset:
* issue_vmcall_io_controlvm_addr()

Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>