sparc: Call OF and MD cpu scanning explicitly from paging_init()

We need to split up the cpu present mask setup from the cpu_data
initialization, and this is a first step towards that.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/mm/init_64.c

@@ -1806,9 +1806,12 @@ void __init paging_init(void)
 	real_setup_per_cpu_areas();
 
 	prom_build_devicetree();
+	of_fill_in_cpu_data();
 
-	if (tlb_type == hypervisor)
+	if (tlb_type == hypervisor) {
 		sun4v_mdesc_init();
+		mdesc_fill_in_cpu_data(CPU_MASK_ALL);
+	}
 
 	/* Once the OF device tree and MDESC have been setup, we know
 	 * the list of possible cpus.  Therefore we can allocate the