gateware: Initial import of all common parts

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c72e6de
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,15 @@
+[submodule "gateware/build"]
+	path = gateware/build
+	url = https://github.com/no2fpga/no2build.git
+[submodule "gateware/cores/no2e1"]
+	path = gateware/cores/no2e1
+	url = https://github.com/no2fpga/no2e1.git
+[submodule "gateware/cores/no2ice40"]
+	path = gateware/cores/no2ice40
+	url = https://github.com/no2fpga/no2ice40.git
+[submodule "gateware/cores/no2misc"]
+	path = gateware/cores/no2misc
+	url = https://github.com/no2fpga/no2misc.git
+[submodule "gateware/cores/no2usb"]
+	path = gateware/cores/no2usb
+	url = https://github.com/no2fpga/no2usb.git