Updated references (again) after having eliminated the last issue
in the gf180mcu_ocd_io padframe cells, which was a (false positive)
short in the corner I/O cell when extracting in magic.  Projects
using this I/O cell library are able to be made LVS clean now.

VERSION

diff --git a/VERSION b/VERSION
index 6b3a5db..b6135cf 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.570
+1.0.571

gf180mcu/gf180mcu.json

diff --git a/gf180mcu/gf180mcu.json b/gf180mcu/gf180mcu.json
index b3b880e..689edd4 100644
--- a/gf180mcu/gf180mcu.json
+++ b/gf180mcu/gf180mcu.json
@@ -96,7 +96,7 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "d400e26845538beaeb7cc5fdb9bfc06c30ea27cb",
+        "open_pdks": "6bffce8a57430f7fd9d059f4bd4c4f138e01cc63",
         "magic": "00c692b14085b7047542bf65b90bda6a230ac6d1",
         "gf180mcu_pdk": "a897aa30369d3bcec87d9d50ce9b01f320f854ef",
         "gf180mcu_fd_pr": "41918f5a2356b9fb49a897ecc4fb4716b0ab1041",
@@ -107,7 +107,7 @@
         "gf180mcu_fd_sc_mcu9t5v0": "e0e80f5a6522f10b82165d3aeab9b8ee28e89849",
         "gf180mcu_fd_ip_sram": "9c411928870ce15226228fa52ddb6ecc0ea4ffbe",
         "gf180mcu_as_sc_mcu7t3v3": "94449964567d710e3dab608f1a932f87c718d4f3",
-        "gf180mcu_ocd_io": "a8a2c5bf6a24860dda81ddef20a5c04eddd30869",
+        "gf180mcu_ocd_io": "b6dcaaba63912ba3cf878bfa0adb749e1c8caa31",
         "gf180mcu_ocd_alpha": "0597ebd5732987dbcd149e02c38525c1c5bf2a58",
         "gf180mcu_ocd_ip_sram": "ac2fa8afa362f78d60d2d69fe5679bc4a055b33b",
         "gf180mcu_osu_sc_gf12t3v3": "aa2fa8cd1bcb8fe98669acd05c0b0c65879268b3",

sky130/sky130.json

diff --git a/sky130/sky130.json b/sky130/sky130.json
index dbe5f20..4434daa 100644
--- a/sky130/sky130.json
+++ b/sky130/sky130.json
@@ -94,7 +94,7 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "d400e26845538beaeb7cc5fdb9bfc06c30ea27cb",
+        "open_pdks": "6bffce8a57430f7fd9d059f4bd4c4f138e01cc63",
         "magic": "00c692b14085b7047542bf65b90bda6a230ac6d1",
         "sky130_fd_pr": "c996d0e7417d7574714079050e2768da70f7fdca",
         "sky130_fd_io": "e60737bf624df95c211fe99c007ddec78e3e081d",