update arch for pi 4

distros/arch/arch_pi_install.md

@@ -1,64 +1,7 @@
 ---
-title: "arch_pi_install"
+title: "Arch on a Raspberry Pi 4"
-tags: [ "Documentation", "distros" ]
+tags: [ "Documentation", "distros", "raspberry pi", "rpi" ]
 ---
-# Initial Setup
-<!-- modified since testing
--->
 
-Some of this needs executed as root, so it's probably easier to do the whole things as root.
+The [Official Instructions](https://archlinuxarm.org/platforms/armv8/broadcom/raspberry-pi-4) for a Raspberry pi 4 do not allow for working sound from the headphone jack, unless you use the aarch64 Installation.
 
-> fdisk /dev/sdX
-
-o,n,t,c
-
-> mkfs.vfat /dev/sdX1
-> mkdir boot
-> mount /dev/sdX1 boot
-
-Create and mount the ext4 filesystem:
-
-> mkfs.ext4 /dev/sdX2
-> mkdir root
-> mount /dev/sdX2 root
-
-Download and extract the root filesystem (as root, not via sudo):
-
-> wget http://archlinuxarm.org/os/ArchLinuxARM-rpi-3-latest.tar.gz
-
-> tar zxvf ArchLinuxARM-rpi-3-latest.tar.gz -C root
-
-> sync
-
-Move boot files to the first partition:
-
-> mv root/boot/\* boot
-> Unmount the two partitions:
-> umount boot root
-
-> echo [ hostname ] > /etc/hostname
-
-Then edit the `/etc/hosts` file.
-
-```
-
-<ip-address>		<hostname.domain.org>	<hostname>
-127.0.0.1		localhost.localdomain	localhost
-::1			localhost.localdomain	localhost ip6-localhost
-
-```
-
-# Get audio on
-
-> echo dtparam=audio=on >> /boot/config.txt
-
-Start pacman keyring.
-
-> pacman-key --init
-> pacman-key --populate archlinuxarm
-
-> pacman -Syyu base-devel git alsa-utils xf86-video-fbdev 
-
-> timedatectl set-timezone Europe/Belgrade
-
-> systemctl enable --now wpa_supplicant