user/xf86-video-vboxvideo: Only build on x86 CPUs

VirtualBox is only available for x86 (and SPARC), so we don't need to
build this on architectures where it can't work anyway.

Similarly, drop it from the xorg-drivers metapackage on other arches.

Closes: #1289

user/xf86-video-vboxvideo/APKBUILD

@@ -5,7 +5,7 @@ pkgver=1.0.1
 pkgrel=0
 pkgdesc="X.Org driver for the VirtualBox video adaptor"
 url="https://www.X.Org/"
-arch="all"
+arch="i528 pmmx x86 x86_64"
 license="X11"
 depends=""
 makedepends="util-macros xorg-server-dev xorgproto-dev"

user/xorg-drivers/APKBUILD

 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=xorg-drivers
 pkgver=1.1
-pkgrel=1
+pkgrel=2
 pkgdesc="Drivers for X.Org systems"
 url="https://www.X.Org/"
 arch="all"
@@ -15,7 +15,7 @@ depends="xf86-input-evdev xf86-input-joystick xf86-input-libinput
 	xf86-video-dummy xf86-video-fbdev xf86-video-mach64 xf86-video-mga
 	xf86-video-nouveau xf86-video-openchrome xf86-video-qxl xf86-video-r128
 	xf86-video-rendition xf86-video-sis xf86-video-sisusb xf86-video-tdfx
-	xf86-video-trident xf86-video-v4l xf86-video-vboxvideo xf86-video-vesa"
+	xf86-video-trident xf86-video-v4l xf86-video-vesa"
 case $CTARGET_ARCH in
 	pmmx)
 		depends="$depends xf86-video-geode xf86-video-intel" ;;
@@ -27,6 +27,8 @@ esac
 case $CTARGET_ARCH in
 	aarch64*|arm*)
 		depends="$depends xf86-video-freedreno";;
+	pmmx|x86*|i528)
+		depends="$depends xf86-video-vboxvideo";;
 	*)
 		depends="$depends xf86-video-siliconmotion xf86-video-vmware";;
 esac