radv: Invert ring SGPR check.

I assume this wants to check if all pipelines use the same SGPR for
the rings.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>

src/amd/vulkan/radv_cmd_buffer.c

@@ -1900,7 +1900,7 @@ void radv_CmdBindPipeline(
 			if (cmd_buffer->ring_offsets_idx == -1)
 				cmd_buffer->ring_offsets_idx = loc->sgpr_idx;
 			else if (loc->sgpr_idx != -1)
-				assert(loc->sgpr_idx != cmd_buffer->ring_offsets_idx);
+				assert(loc->sgpr_idx == cmd_buffer->ring_offsets_idx);
 		}
 		break;
 	default: