Updated the references in the gf180mcu JSON file to point to the most
recent GF libraries (which includes updates, for example, for adding
SITE definitions in the technology LEF files).

VERSION

diff --git a/VERSION b/VERSION
index 4cb34c1..4501612 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.330
+1.0.331

gf180mcu/gf180mcu.json

diff --git a/gf180mcu/gf180mcu.json b/gf180mcu/gf180mcu.json
index 10d7ee9..4d29029 100644
--- a/gf180mcu/gf180mcu.json
+++ b/gf180mcu/gf180mcu.json
@@ -84,12 +84,12 @@
 	"magic": "MAGIC_COMMIT"
     }
     "reference": {
-        "open_pdks": "2e4b5ef0b56746e2a89b23bf173585faef2416a2",
-        "magic": "2561afd402cae5614002dd6f0a1b06ed7166ea09",
+        "open_pdks": "a1cf1b7c41dfccf1d38815278c543dd2f1e402dc",
+        "magic": "1c20abad5b9cd57da167297e27ccfc92f3321cf5",
         "gf180mcu_fd_pr": "e1b4e187900370103bf9b8a22bb8625f883368ef",
         "gf180mcu_fd_io": "bcaa40aaf6cf04d6e9cb143d0e5b0de9429e53ab",
-        "gf180mcu_fd_sc_mcu7t5v0": "2a3e8df31ed8bf50a5bbc697a8939dc02e1cf6a8",
-        "gf180mcu_fd_sc_mcu9t5v0": "2a3e8df31ed8bf50a5bbc697a8939dc02e1cf6a8",
+        "gf180mcu_fd_sc_mcu7t5v0": "493461195536004d46c8cbaac9605095c8280983",
+        "gf180mcu_fd_sc_mcu9t5v0": "493461195536004d46c8cbaac9605095c8280983",
         "gf180mcu_fd_ip_sram": "9c411928870ce15226228fa52ddb6ecc0ea4ffbe"
     }
 }