main/raspberrypi: update to snapshot 20180907

This includes upstream change to add ld --no-as-needed option
as some DSOs provide plugins via constructor mechanism and would
get incorrectly not linked in.

main/raspberrypi/APKBUILD

 # Maintainer: Timo Teräs <timo.teras@iki.fi>
 pkgname=raspberrypi
-pkgver=0.20180511
-_commitid=2448644657e5fbfd82299416d218396ee1115ece
+pkgver=0.20180907
+_commitid=d491937e8d2f5015c418cbc0c2793020aed4c8e5
 pkgrel=0
 pkgdesc="Raspberry Pi support tools"
 url="https://github.com/raspberrypi/userland"
@@ -48,4 +48,4 @@ libs() {
 	mv "$pkgdir"/opt/vc/lib/* "$subpkgdir"/opt/vc/lib
 }
 
-sha512sums="af764dc9490d94d4877833aa2816c8ceef2e12aca6ad95c9f4472dee4b06eb31d9f6707c0ce664e0d25ab7f5c296c48e827b1100c850946595e931e03c177ec6  raspberrypi-0.20180511.tar.gz"
+sha512sums="87395ced2452e11ae453ae266630468ccbbd2cca73b0e45716d7639049e8f3d5bdc406ce2573b2ceec8497dfa21f83fcb3fb9ee13a40770d02e0db207ff520d8  raspberrypi-0.20180907.tar.gz"