exec: cpu_physical_memory_set/clear_dirty_range

Make cpu_physical_memory_set/clear_dirty_range
behave symmetrically.

To clear range for a given client type only, add
cpu_physical_memory_clear_dirty_range_type.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

exec.c

diff --git a/exec.c b/exec.c
index 963481a..a89aa6c 100644
--- a/exec.c
+++ b/exec.c
@@ -850,7 +850,7 @@
 {
     if (length == 0)
         return;
-    cpu_physical_memory_clear_dirty_range(start, length, client);
+    cpu_physical_memory_clear_dirty_range_type(start, length, client);
 
     if (tcg_enabled()) {
         tlb_reset_dirty_range_all(start, length);