device-samsung-v1awifi: avoid overriding udev v4l rule in /etc (MR 4768)

Depend on postmarketos-base-downstream-disable-udev-v4l instead, which
symlinks /lib/udev/rules.d/60-persistent-v4l.rules to /dev/null.

device/testing/device-samsung-v1awifi/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=device-samsung-v1awifi
 pkgdesc="Samsung Galaxy Note Pro 12.2 WiFi"
 pkgver=0.2
-pkgrel=1
+pkgrel=2
 url="https://postmarketos.org"
 license="MIT"
 arch="armv7"
@@ -11,6 +11,7 @@ makedepends="devicepkg-dev"
 depends="
 	postmarketos-base
 	postmarketos-base-downstream
+	postmarketos-base-downstream-disable-udev-v4l
 	linux-samsung-v1awifi
 	mkbootimg
 	msm-fb-refresher
@@ -24,10 +25,6 @@ build() {
 
 package() {
 	devicepkg_package $startdir $pkgname
-	# Disable v4l udev rules, because if enabled the device will fail to boot
-	# when VIDEO_EXYNOS_FIMC_IS is enabled.
-	mkdir -p "$pkgdir"/etc/udev/rules.d
-	ln -s /dev/null "$pkgdir"/etc/udev/rules.d/60-persistent-v4l.rules
 }
 
 nonfree_firmware() {