soc: andestech: run pma_init_per_core() with soc_per_core_init_hook()

The function `pma_init_per_core()`, as its name suggest, should be
run from every core, so call it from `soc_per_core_init_hook()`

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>