[ArchLinux][Raspberry Pi] Load a kernel module automatically at boot time

1. Edit Configuration file
vim /etc/modules-load.d/raspberrypi.conf
Add following modules

slhc
ppp_generic
pppox
pppoe
ppp_synctty
ppp_deflate
crc-ccitt
ppp_async

2. reboot
After reboot will insert module automatically.


Reference:
1. Linux: How to load a kernel module automatically at boot time