samsung-v1awifi: new device

First of all a huge thank you to @grimler for helping me with this port.

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I can boot into XFCE. I'll be adding wiki page information and some notes later.

• Get WiFi working.

Observations I made along the way:

• Booting is extremely slow. It stays in the Samsung splash screen for a minute and a half and then starts booting pmOS. However, if I connect the charger when the tablet is powered off, it displays the charging icon as usual, and then starts booting pmOS immediately.
• Sometimes the screen goes black for a split second and then it returns to normal.
• I cannot boot into weston somehow. Seems that the interface does not work here. It seems common between other devices that share the same kernel.
• I need to create a file called /etc/X11/Xwrapper.config with the line needs_root_rights=yes to get X working.
• The tablet freezes when I poweroff the device or rebooting the device (from terminal and from XFCE UI).
• After a couple of minutes, the tablet is frozen entirely.
• SSH does not work. If I do sudo service sshd status, system tells me that SSH is currently loaded and functioning. However, it does not seem to work from USB (172.16.42.1) nor from WiFi.
• I see slightly wrong colors on images.

Booting with MATE makes some differences:

• The UI does not freeze after a couple of minutes.
• I can reboot/shutdown the device (only via UI).