distro: Added wayland variant without GPLv3

Via the gplv3 distro feature, GPLv3 software can be enabled/disabled.
The new variant is build without GPLv3 software.
Also removed duplicate pam entry in DISTRO_FEATURES of regular
wayland distro.

conf/distro/guf-wayland-no-gplv3.conf

+# GUF Distro for Wayland.
+
+require conf/distro/include/guf-base.inc
+
+DISTRO = "guf-wayland-no-gplv3"
+DISTRO_NAME = "GUF Wayland (without GPLv3)"
+
+DISTRO_FEATURES:remove = "bluetooth bluez5 gobject-introspection-data pulseaudio directfb x11"
+DISTRO_FEATURES_BACKFILL_CONSIDERED += "bluetooth bluez5 gobject-introspection-data pulseaudio"
+
+# Add support for wayland
+DISTRO_FEATURES:append = " wayland"
+
+# Add opengl
+DISTRO_FEATURES:append = " opengl vulkan"
+
+# Add pam
+DISTRO_FEATURES:append = " pam"
+
+# Default is busybox
+# Recommandation from poky/meta-poky/conf/local.conf.sample.extended
+# expect syslog which is replaced by syslog-ng
+PREFERRED_PROVIDER_virtual/base-utils = "packagegroup-core-base-utils"
+VIRTUAL-RUNTIME:base-utils = "packagegroup-core-base-utils"
+VIRTUAL-RUNTIME:base-utils-hwclock = "util-linux-hwclock"
+VIRTUAL-RUNTIME:base-utils-syslog = "syslog-ng"
+VIRTUAL-RUNTIME:vim = "vim"

conf/distro/guf-wayland.conf

@@ -9,7 +9,7 @@ DISTRO_FEATURES:remove = "bluetooth bluez5 gobject-introspection-data pulseaudio
 DISTRO_FEATURES_BACKFILL_CONSIDERED += "bluetooth bluez5 gobject-introspection-data pulseaudio"
 
 # Add support for wayland
-DISTRO_FEATURES:append = " wayland pam"
+DISTRO_FEATURES:append = " wayland"
 
 # Add opengl
 DISTRO_FEATURES:append = " opengl vulkan"