anv/cmd_buffer: clean dirty push constants flag after emitting push constants

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
CC: <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 6a1d8350c9)

src/intel/vulkan/genX_cmd_buffer.c

@@ -3026,6 +3026,8 @@ genX(cmd_buffer_flush_compute_state)(struct anv_cmd_buffer *cmd_buffer)
             curbe.CURBEDataStartAddress   = push_state.offset;
          }
       }
+
+      cmd_buffer->state.push_constants_dirty &= ~VK_SHADER_STAGE_COMPUTE_BIT;
    }
 
    cmd_buffer->state.compute.pipeline_dirty = false;