Added driver for Arch linux

arch/99-calibration.conf-5

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+Section "InputClass"
+        Identifier      "calibration"
+        MatchProduct    "ADS7846 Touchscreen"
+        Option  "Calibration"   "140 3951 261 3998"
+        Option  "SwapAxes"      "0"
+EndSection

arch/LCD5-show

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+#!/bin/bash
+
+sudo cp -rf ./config-5.txt /boot/config.txt
+sudo mkdir /etc/X11/xorg.conf.d
+sudo cp -rf ./99-calibration.conf-5 /etc/X11/xorg.conf.d/99-calibration.conf
+yes | sudo pacman -S xinput-calibration xserver-xorg-input-evdev
+sudo cp -rf /usr/share/X11/xorg.conf.d/10-evdev.conf /usr/share/X11/xorg.conf.d/45-evdev.conf
+sudo reboot

arch/config-5.txt

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+# See /boot/overlays/README for all available options
+gpu_mem=64
+
+dtparam=audio=on
+max_usb_current=1
+hdmi_group=2
+hdmi_mode=1
+hdmi_mode=87
+hdmi_cvt=800 480 60 6 0 0 0
+dtoverlay=ads7846,cs=1,penirq=25,penirq_pull=2,speed=50000,keep_vref_on=0,swapxy=0,pmax=255,xohms=150,xmin=200,xmax=3900,ymin=200,ymax=3900