powerpc/book3s64/keys: Print information during boot.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200709032946.881753-18-aneesh.kumar@linux.ibm.com

arch/powerpc/mm/book3s64/pkeys.c

@@ -208,6 +208,7 @@ void __init pkey_early_init_devtree(void)
 	 */
 	initial_allocation_mask |= reserved_allocation_mask;
 
+	pr_info("Enabling pkeys with max key count %d\n", num_pkey);
 	return;
 }