module: add stub for is_module_percpu_address

Fix build for CONFIG_MODULES not enabled by providing a stub
for is_module_percpu_address().

kernel/lockdep.c:605: error: implicit declaration of function 'is_module_percpu_address'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
1 file changed