Don't iterate io placement if FP_PIN_ORDER_CFG is defined #5900

Job	Run time
Fetch or Build PDK (sky130A)	2m 54s
Docker Build (arm64v8)	4m 4s
Fetch or Build PDK (gf180mcuC)	4m 41s
Docker Build (amd64)	5m 4s
Prepare Test Matrices	19s
Regression Test (Test 1413)	1m 37s
Test Design ./designs/ci/inverter (sky130A/sky130_fd_sc_hd)	2m 42s
Regression Test (Test 1007)	1m 25s
Test Design ./designs/ci/wbqspiflash (sky130A/sky130_fd_sc_hd)	9m 30s
Regression Test (Test 912)	1m 21s
Test Design ./designs/ci/APU (sky130A/sky130_fd_sc_hd)	12m 0s
Regression Test (Test 1506)	1m 14s
Test Design ./designs/ci/s44 (sky130A/sky130_fd_sc_hd)	3m 38s
Test Design ./designs/ci/zipdiv (sky130A/sky130_fd_sc_hd)	7m 54s
Test Design ./designs/ci/xtea (sky130A/sky130_fd_sc_hd)	10m 55s
Test Design ./designs/ci/usb (sky130A/sky130_fd_sc_hd)	5m 4s
Test Design ./designs/ci/usb_cdc_core (sky130A/sky130_fd_sc_hd)	8m 24s
Test Design ./designs/ci/manual_macro_placement_test (sky130A/sky130_fd_sc_hd)	2m 54s
Test Design spm (sky130A/sky130_fd_sc_hd)	3m 36s
Test Design ./designs/ci/gcd (sky130A/sky130_fd_sc_hd)	5m 38s
Test Design ./designs/ci/caravel_upw (sky130A/sky130_fd_sc_hd)	10m 18s
Test Design ./designs/ci/aes_user_project_wrapper (sky130A/sky130_fd_sc_hd)	20m 6s
Test Design spm (gf180mcuC/gf180mcu_fd_sc_mcu7t5v0)	3m 40s
Test Design ./designs/ci/APU (gf180mcuC/gf180mcu_fd_sc_mcu7t5v0)	8m 3s
Test Design ./designs/ci/usb (gf180mcuC/gf180mcu_fd_sc_mcu7t5v0)	4m 18s
Cleanup (and Possibly Deployment)	1m 10s
	2h 22m 29s

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