Spice is only compatible with x86 architectures, its dependency triggers
a build error on other archs since the build system isnt able to find a
provider for it.
Fix dependencies to only include spice when an x86 architecture is being
built, and configure the package accordingly.
Signed-off-by: Alejandro Hernandez <aehs29@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>