src/part: add LCMXO2-256HC, update doc/FPGAs

doc/FPGAs.yml

@@ -254,8 +254,10 @@ Xilinx:
     Memory: NA
     Flash: OK
 
-  - Description: XC2C (coolrunner II)
-    Model: xc2c32a
+  - Description: XC2C/XA2C (coolrunner II)
+    Model:
+      - xc2c32a
+      - xa2c64a
     URL: https://www.xilinx.com/support/documentation/data_sheets/ds090.pdf
     Memory: TBD
     Flash: OK

src/part.hpp

@@ -120,6 +120,7 @@ static std::map <uint32_t, fpga_model> fpga_list = {
 	{0x010F0043, {"lattice", "CertusNX", "LFD2NX-17", 8}},
 	{0x010F1043, {"lattice", "CertusNX", "LFD2NX-40", 8}},
 
+	{0x012b8043, {"lattice", "MachXO2",   "LCMXO2-256HC", 8}},
 	{0x012b9043, {"lattice", "MachXO2",   "LCMXO2-640HC", 8}},
 	{0x012ba043, {"lattice", "MachXO2",   "LCMXO2-1200HC", 8}},
 	{0x012bd043, {"lattice", "MachXO2",   "LCMXO2-7000HC", 8}},