Add Intel firmwars (iwlwifi-6000g2{a,b}-ucode).

svn path=/nixos/trunk/; revision=29020

modules/hardware/network/intel-6000g2a.nix

@@ -0,0 +1,5 @@
+{pkgs, config, ...}:
+
+{
+  hardware.firmware = [ pkgs.iwlwifi6000g2aucode ];
+}

modules/hardware/network/intel-6000g2b.nix

@@ -0,0 +1,5 @@
+{pkgs, config, ...}:
+
+{
+  hardware.firmware = [ pkgs.iwlwifi6000g2bucode ];
+}