arm64/mm: return cpu_all_mask when node is NUMA_NO_NODE

The @node passed to cpumask_of_node() can be NUMA_NO_NODE, in that
case it will trigger the following WARN_ON(node >= nr_node_ids) due to
mismatched data types of @node and @nr_node_ids. Actually we should
return cpu_all_mask just like most other architectures do if passed
NUMA_NO_NODE.

Also add a similar check to the inline cpumask_of_node() in numa.h.

Signed-off-by: Zhengyuan Liu <liuzhengyuan@tj.kylinos.cn>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Link: https://lore.kernel.org/r/20200921023936.21846-1-liuzhengyuan@tj.kylinos.cn
Signed-off-by: Will Deacon <will@kernel.org>

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