Dell Precision M4600 support

[Valentine Levshuk]

1.  Dell Precision M4600 laptop:
-- CPU: Intel Core i7-2860QM
-- SouthBridge: Intel Cougar Point QM67
-- NorthBridge: Intel Sandy Bridge-MB IMC
-- MXM 3.0a graphics slot, 2x Mini Pci-e, 1x Mini Pci-e combined with mSATA, 1x Expresscard slot.

1.  “lspci -tvnn” output:

-[0000:00]-+-00.0  Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104]
           +-01.0-[01]--+-00.0  Advanced Micro Devices, Inc. [AMD/ATI] Venus XTX [Radeon HD 8890M / R9 M275X/M375X] [1002:6820]
           |            -00.1  Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] [1002:aab0]
           +-16.0  Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a]
           +-16.3  Intel Corporation 6 Series/C200 Series Chipset Family KT Controller [8086:1c3d]
           +-19.0  Intel Corporation 82579LM Gigabit Network Connection [8086:1502]
           +-1a.0  Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d]
           +-1b.0  Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20]
           +-1c.0-[02]--
           +-1c.2-[03-08]--
           +-1c.3-[09]----00.0  NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194]
           +-1c.4-[0a]----00.0  Broadcom Limited BCM4360 802.11ac Wireless Network Adapter [14e4:43a0]
           +-1c.7-[0b-12]--+-00.0  O2 Micro, Inc. OZ600 1394a-2000 Controller [1217:11f7]
           |               +-00.1  O2 Micro, Inc. OZ600RJ1/OZ900RJ1 SD/MMC Card Reader Controller [1217:8320]
           |               -00.2  O2 Micro, Inc. OZ600 MS/xD Controller [1217:8330]
           +-1d.0  Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26]
           +-1f.0  Intel Corporation QM67 Express Chipset Family LPC Controller [8086:1c4f]
           +-1f.2  Intel Corporation 82801 Mobile SATA Controller [RAID mode] [8086:282a]
           -1f.3  Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22]

1.  Superiotools found SMSC FDC37C93xFR
  2.  Winbond SOIC8 soldered two flash chips: 1x 8Mb and 1x2Mb – 10240 Kb in total
  3.  Motherboard schematics: https://1drv.ms/b/s!AooKL5SiajFyioJPEP1Jla85VqPy3w