On ARM64, when CONFIG_XEN=y, the compilation will fail because CPU hotplug is
not yet supported with XEN. For now, disable it.
Signed-off-by: NJulien Grall <julien.grall@linaro.org>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: NMark Rutland <mark.rutland@arm.com>