device-raspberry-pi*: fix boot error caused by missing dtb files (!1047)

The upstream linux-rpi package has been modified: the dtb files
are now located in /boot/dtbs.

device/testing/device-raspberry-pi/APKBUILD

@@ -3,7 +3,7 @@
 pkgname="device-raspberry-pi"
 pkgdesc="Raspberry Pi"
 pkgver=0.1
-pkgrel=10
+pkgrel=11
 url="https://postmarketos.org"
 license="MIT"
 arch="armhf"
@@ -39,14 +39,14 @@ package() {
 kernel_rpi() {
 	pkgdesc="Kernel for the Raspberry Pi 1 (from Alpine, depends on non free firmware!)"
 	depends="$pkgname linux-rpi"
-	install="$subpkgname.post-install"
+	install="$subpkgname.post-install $subpkgname.post-upgrade"
 	mkdir "$subpkgdir"
 }
 
 kernel_rpi2() {
 	pkgdesc="Kernel for the Raspberry Pi 2 (from Alpine, depends on non free firmware!)"
 	depends="$pkgname linux-rpi2"
-	install="$subpkgname.post-install"
+	install="$subpkgname.post-install $subpkgname.post-upgrade"
 	mkdir "$subpkgdir"
 }
 

device/testing/device-raspberry-pi/device-raspberry-pi-kernel-rpi.post-upgrade

@@ -0,0 +1 @@
+device-raspberry-pi-kernel-rpi.post-install

device/testing/device-raspberry-pi/device-raspberry-pi-kernel-rpi2.post-install

@@ -1,5 +1,4 @@
 #!/bin/sh
 
-kernver=$(cat /usr/share/kernel/rpi2/kernel.release)
-cd /usr/lib/linux-${kernver}/
+cd /boot/dtbs-rpi2
 find . -type f -regex ".*\.dtbo\?$" -exec install -Dm644 {} /boot/{} \;

device/testing/device-raspberry-pi/device-raspberry-pi-kernel-rpi2.post-upgrade

@@ -0,0 +1 @@
+device-raspberry-pi-kernel-rpi2.post-install