p2m hap: Fix dirty vram tracking function

This patch fixes an incorrect mode conversion when disable vram
dirty tracking.

Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Wei Huang <wei.huang2@amd.com>

xen/arch/x86/mm/hap/hap.c

@@ -90,7 +90,7 @@ int hap_disable_vram_tracking(struct domain *d)
 
     /* set l1e entries of P2M table with normal mode */
     for (i = dirty_vram->begin_pfn; i < dirty_vram->end_pfn; i++)
-        p2m_change_type(d, i, p2m_ram_rw, p2m_ram_logdirty);
+        p2m_change_type(d, i, p2m_ram_logdirty, p2m_ram_rw);
 
     flush_tlb_mask(&d->domain_dirty_cpumask);
     return 0;