main/dahdi-linux: modernize abuild

main/dahdi-linux/APKBUILD

 # Contributor: Timo Teras <timo.teras@iki.fi>
 # Maintainer: Timo Teras <timo.teras@iki.fi>
-
 pkgname=dahdi-linux
 pkgver=2.11.1
 pkgrel=0
@@ -8,25 +7,14 @@ pkgdesc="Firmware for Digium Asterisk Hardware Device Interface drivers"
 url="http://www.asterisk.org"
 arch="noarch"
 license="GPL"
-depends=
 makedepends="wget tar"
-install=
 subpackages="$pkgname-dev"
-source="http://downloads.digium.com/pub/telephony/dahdi-linux/releases/$pkgname-$pkgver.tar.gz
-	"
+source="http://downloads.digium.com/pub/telephony/dahdi-linux/releases/$pkgname-$pkgver.tar.gz"
 
 # We online install the firmwares in this package since those are common for all
 # kernel flavors. We also install the headers for the -dev package.
 #
 # The kernel drivers themselves are built from separate build recipe.
-prepare() {
-	cd "$srcdir"/$pkgname-$pkgver
-	for i in $source; do
-		case $i in
-		*.patch|*.diff) patch -p1 -i "$srcdir"/$i || return 1;;
-		esac
-	done
-}
 
 build() {
 	return 0
@@ -38,6 +26,4 @@ package() {
 		install-include install-firmware
 }
 
-md5sums="af96917e15eebc36519948133ec7e36b  dahdi-linux-2.11.1.tar.gz"
-sha256sums="f59f382365118205e77d2874f1c0e1546e936247bcc45f07a43bc21778bee9df  dahdi-linux-2.11.1.tar.gz"
 sha512sums="db15d9237f157b5349de8f4cdb45573ed42e1dd25c83f900835c7e15637a19e1e95c7c990dc786c1e3f37f32419f3d009e179d27b5d16421789ff9bc76f54224  dahdi-linux-2.11.1.tar.gz"