Gentoo ebuild for https://github.com/lwfinger/rtl8723bu

Install:

• Create a file /etc/portage/repos.conf/rtl8723bu.conf with this content:

[rtl8723bu]
sync-type = git
sync-uri = git://github.com/g-maxime/rtl8723bu-ebuild.git
location = /usr/local/portage/rtl8723bu

• Update portage: emerge --sync
• Unmask rtl8723bu: emerge --autounmask-write rtl8723bu && dispatch-conf
• Install the driver: emerge -a rtl8723bu