devres: export devres_node_init() and devres_node_add()
Export devres_node_init() and devres_node_add() through base.h, such
that we can access is from the Rust devres code.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20260213220718.82835-3-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>