Dell latitude 7490 support

dell/latitude/7490/README.wiki

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+= Dell Latitude 7490 =
+
+== Tested Hardware ==
+
+``` shellsession
+$ lspci -nn
+00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
+00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
+00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 08)
+00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
+00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
+00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
+00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
+00:15.2 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #2 (rev 21)
+00:15.3 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #3 (rev 21)
+00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
+00:16.3 Serial controller: Intel Corporation Sunrise Point-LP Active Management Technology - SOL (rev 21)
+00:17.0 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 21)
+00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 (rev f1)
+00:1c.2 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #3 (rev f1)
+00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
+00:1f.0 ISA bridge: Intel Corporation Sunrise Point LPC Controller/eSPI Controller (rev 21)
+00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
+00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
+00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
+00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (4) I219-LM (rev 21)
+01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
+02:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78)
+```
+
+=== Before installation ===
+
+These settings are needed both for booting the final install, and
+installer itself. Therefore, they must be done first.
+
+- ''Disable Secure Boot (but keep UEFI Boot).''

dell/latitude/7490/default.nix

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+{ lib, pkgs, ... }:
+
+{
+  imports = [
+    ../../../common/cpu/intel
+    ../../../common/pc/laptop
+  ];
+
+  services.thermald.enable = lib.mkDefault true;
+}