fpga/Makefile: run quartus_pow after quartus_sta

It appears that quartus_pow depends on quartus_sta; if that data is
unavailable quartus_pow crashes.

fpga/Makefile

@@ -44,12 +44,12 @@ $(outdir)/%.mif_update.rpt: $(outdir)/%.fit.rpt
 $(outdir)/%.sof: $(outdir)/%.mif_update.rpt
 	$(QASM) $*
 
-$(outdir)/%.pow.rpt: $(outdir)/%.fit.rpt | $(outdir)/%.sof
-	$(QPOW) $*
-
 $(outdir)/%.sta.rpt: $(outdir)/%.fit.rpt | $(outdir)/%.sof
 	$(QSTA) $*
 
+$(outdir)/%.pow.rpt: $(outdir)/%.sta.rpt
+	$(QPOW) $*
+
 # XXX: do all .sof -> conversions using quartus_cpf
 $(outdir)/%.jic:  %jic.cof $(outdir)/%.sof
 	$(QCPF) --convert $<