powerpc/xive: Silence message about VP block allocation

There is no reason for that message to be pr_info(), it will be printed every time we start a KVM guest.

---

b/arch/powerpc/sysdev/xive/native.c
index ab9ecce..0f95476b 100644

@@ -633,8 +633,8 @@ u32 xive_native_alloc_vp_block(u32 max_vcpus)

        if (max_vcpus > (1 << order))
                order++;

-       pr_info("VP block alloc, for max VCPUs %d use order %d\n", -               max_vcpus, order);
+       pr_debug("VP block alloc, for max VCPUs %d use order %d\n", +                max_vcpus, order);

        for (;;) {
                rc = opal_xive_alloc_vp_block(order);

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/89d8bb163868178d5b35d1bc1237e6

cheers