device-raspberry-pi{,0,3,4}: don't move dtbs (MR 1944)

See https://git.alpinelinux.org/aports/commit/main/linux-rpi/APKBUILD?id=fb542395e33ab9eaab13d5cf40029173240c7836

Closes https://gitlab.com/postmarketOS/pmaports/-/issues/965

device/testing/device-raspberry-pi/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=device-raspberry-pi
 pkgdesc="Raspberry Pi"
 pkgver=0.1
-pkgrel=14
+pkgrel=15
 url="https://postmarketos.org"
 license="MIT"
 arch="armhf"

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

 #!/bin/sh
 
 rc-update add swclock boot
-
-cd /boot/dtbs-rpi
-find . -type f -regex ".*\.dtbo\?$" -exec install -Dm644 {} /boot/{} \;

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

 #!/bin/sh
 
 rc-update add swclock boot
-
-cd /boot/dtbs-rpi2
-find . -type f -regex ".*\.dtbo\?$" -exec install -Dm644 {} /boot/{} \;

device/testing/device-raspberry-pi0/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=device-raspberry-pi0
 pkgdesc="Raspberry Pi Zero"
 pkgver=0.1
-pkgrel=8
+pkgrel=9
 url="https://postmarketos.org"
 license="MIT"
 arch="armhf"

device/testing/device-raspberry-pi0/device-raspberry-pi0.post-install

 #!/bin/sh
 
 rc-update add swclock boot
-
-cd /boot/dtbs-rpi/
-find . -type f -regex ".*\.dtbo\?$" -exec install -Dm644 {} /boot/{} \;

device/testing/device-raspberry-pi3/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=device-raspberry-pi3
 pkgdesc="Raspberry Pi 3B/3B+"
 pkgver=0.1
-pkgrel=12
+pkgrel=13
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"

device/testing/device-raspberry-pi3/device-raspberry-pi3.post-install

 #!/bin/sh
 
 rc-update add swclock boot
-
-cd /boot/dtbs-rpi/
-find . -type f -regex ".*\.dtbo\?$" -exec install -Dm644 {} /boot/{} \;
-

device/testing/device-raspberry-pi4/APKBUILD

@@ -3,7 +3,7 @@
 pkgname=device-raspberry-pi4
 pkgdesc="Raspberry Pi 4"
 pkgver=0.1
-pkgrel=6
+pkgrel=7
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"

device/testing/device-raspberry-pi4/device-raspberry-pi4.post-install

 #!/bin/sh
 
 rc-update add swclock boot
-
-cd /boot/dtbs-rpi4/
-find . -type f -regex ".*\.dtbo\?$" -exec install -Dm644 {} /boot/{} \;