vbox: Enable VBOXGUEST and VBOXSF_FS on ARM64

vbox: Enable VBOXGUEST and VBOXSF_FS on ARM64

Now that VirtualBox is able to run as a host on arm64 (e.g. the Apple M3
processors) we can enable VBOXSF_FS (and in turn VBOXGUEST) for this
architecture. Tested with various runs of bonnie++ and dbench on an Apple
MacBook Pro with the latest Virtualbox 7.1.4 r165100 installed.

Signed-off-by: Christian Kujau <lists@nerdbynature.de>
Link: https://lore.kernel.org/r/7384d96c-2a77-39b0-2306-90129bae9342@nerdbynature.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>