Updated version and references to go along with the merge of pull
request #521 from Leo Moser (updates, mostly having to do with
the GF PDK and the Avalon Semiconductors 3.3V standard cell
library).

VERSION

diff --git a/VERSION b/VERSION
index 67a3b03..2f8f31f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.590
+1.0.591

gf180mcu/gf180mcu.json

diff --git a/gf180mcu/gf180mcu.json b/gf180mcu/gf180mcu.json
index ceee443..114cbef 100644
--- a/gf180mcu/gf180mcu.json
+++ b/gf180mcu/gf180mcu.json
@@ -97,8 +97,8 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "2a08d1b866ae2c8aff432e29f01f24b983f31fe2",
-        "magic": "29447a35cdb5907f29888d7e9df35f6f41f99b9c",
+        "open_pdks": "456781b4f79e6d15a06c4e1005f6c71ce1992616",
+        "magic": "21b8579734fb8d681d6be118a758e0dc66874eb9",
         "gf180mcu_pdk": "a897aa30369d3bcec87d9d50ce9b01f320f854ef",
         "gf180mcu_fd_pr": "6e186e964fb59211e214b8cde5d6b1912e13db42",
         "gf180mcu_fd_pv": "13f5cb3829f7ec3fe1d4469534fd60c12aaaa477",
@@ -111,7 +111,7 @@
         "gf180mcu_ocd_io": "53582c591ff7f2ca2529889e8e869f38ff4da39e",
         "gf180mcu_ocd_alpha": "0597ebd5732987dbcd149e02c38525c1c5bf2a58",
         "gf180mcu_ocd_ip_sram": "145d144b0158999e33826a7b3777fc3531f43977",
-        "gf180mcu_osu_sc_gf12t3v3": "aa2fa8cd1bcb8fe98669acd05c0b0c65879268b3",
-        "gf180mcu_osu_sc_gf9t3v3": "aa2fa8cd1bcb8fe98669acd05c0b0c65879268b3"
+        "gf180mcu_osu_sc_gf12t3v3": "8a2f58f283a2eaa725314c9e1b8b7d1d343f23a3",
+        "gf180mcu_osu_sc_gf9t3v3": "8a2f58f283a2eaa725314c9e1b8b7d1d343f23a3"
     }
 }

sky130/sky130.json

diff --git a/sky130/sky130.json b/sky130/sky130.json
index a5a0b18..eec59b8 100644
--- a/sky130/sky130.json
+++ b/sky130/sky130.json
@@ -94,8 +94,8 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "2a08d1b866ae2c8aff432e29f01f24b983f31fe2",
-        "magic": "29447a35cdb5907f29888d7e9df35f6f41f99b9c",
+        "open_pdks": "456781b4f79e6d15a06c4e1005f6c71ce1992616",
+        "magic": "21b8579734fb8d681d6be118a758e0dc66874eb9",
         "sky130_fd_pr": "403964dc7f9cca5ec1a8cc7b4f2a6f532b781676",
         "sky130_fd_io": "b0c377d9c91b4152e0edd3a766a19185df819888",
         "sky130_fd_sc_hs": "c3d7991a9bcb4fc33cbd43262b44bb5560d6fdd0",