added xorg metaport

this meta-port modifies the normal metapackage to include the 99-vc4.conf file to enable x11 to use the rpi5 GPU.

xorg/.footprint

@@ -0,0 +1,8 @@
+drwxr-xr-x	root/root	etc/
+drwxr-xr-x	root/root	etc/X11/
+drwxr-xr-x	root/root	etc/X11/xorg.conf.d/
+drwxr-xr-x	root/root	etc/X11/xorg.conf.d/99-vc4.conf/
+-rw-r--r--	root/root	etc/X11/xorg.conf.d/99-vc4.conf/99-vc4.conf
+drwxr-xr-x	root/root	usr/
+drwxr-xr-x	root/root	usr/etc/
+-rw-r--r--	root/root	usr/etc/xorg

xorg/.md5sum

@@ -0,0 +1 @@
+cb341af4428c3087f2f199ad6d1bfe7c  99-vc4.conf

xorg/99-vc4.conf

@@ -0,0 +1,6 @@
+Section "OutputClass"
+  Identifier "vc4"
+  MatchDriver "vc4"
+  Driver "modesetting"
+  Option "PrimaryGPU" "true"
+EndSection

xorg/Pkgfile

@@ -0,0 +1,17 @@
+# Description: x.org's implementation of X11
+# URL: https://www.x.org
+# Maintainer: CRUX Xorg Team, xorg-ports at crux dot nu
+# Depends on: xorg-xf86-input-libinput xorg-xf86-video-vesa xorg-xinit xorg-xauth xorg-rgb xkeyboard-config
+
+name=xorg
+version=7.7
+release=2
+source=(99-vc4.conf)
+
+build() {
+    # this file enables X11 to use rpi5 gpu
+    install -Dm0644 -t $PKG/etc/X11/xorg.conf.d/99-vc4.conf $source
+
+    install -d $PKG/usr/etc
+    echo "$name version $version" > $PKG/usr/etc/$name
+}