stmmac: intel: interface switching support for RPL-P platform

Based on the patch series [1], the enablement of interface switching for
RPL-P will use the same handling as ADL-N.

Link: https://patchwork.kernel.org/project/netdevbpf/cover/20250227121522.1802832-1-yong.liang.choong@linux.intel.com/

 [1]

Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com>
Link: https://patch.msgid.link/20250324062742.462771-1-yong.liang.choong@linux.intel.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>