local.conf.sample.extended: Bring back into sync with OE-Core

(From meta-yocto rev: ea6e777cac72f22b56b2c8be0ba05ba164efe5de)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-poky/conf/local.conf.sample.extended

@@ -23,6 +23,13 @@
 #
 # For a quad-core machine, BB_NUMBER_THREADS = "4", PARALLEL_MAKE = "-j 4" would
 # be appropriate for example.
+#
+# Some users are behind firewalls or use servers where the number of parallel connections
+# is limited. In such cases you can limit the number of fetch tasks which run in parallel by
+# setting the option below, in this case limiting to a maximum of 4 fetch tasks in parallel:
+#
+#do_fetch[number_threads] = "4"
+#
 
 # If you want to get an image based on directfb without x11 alter
 # DISTRO_FEATURES:
@@ -87,10 +94,7 @@ DISTRO_FEATURES_remove = "x11"
 # PACKAGE_DEBUG_SPLIT_STYLE = 'debug-file-directory'
 
 # Uncomment these to build a package such that you can use gprof to profile it.
-# NOTE: This will only work with 'linux' targets, not
-# 'linux-uclibc', as uClibc doesn't provide the necessary
-# object files.  Also, don't build glibc itself with these
-# flags, or it'll fail to build.
+# NOTE: Don't build glibc itself with these flags, or it'll fail to build.
 #
 # PROFILE_OPTIMIZATION = "-pg"
 # SELECTED_OPTIMIZATION = "${PROFILE_OPTIMIZATION}"
@@ -188,7 +192,8 @@ DISTRO_FEATURES_remove = "x11"
 #                           commercial_lame \
 #                           commercial_libmad \
 #                           commercial_libomxil \
-#                           commercial_mpeg2dec"
+#                           commercial_mpeg2dec \
+#                           commercial_qmmp"
 
 
 #
@@ -371,3 +376,17 @@ DISTRO_FEATURES_remove = "x11"
 #INIT_MANAGER = "sysvinit"
 #INIT_MANAGER = "systemd"
 #INIT_MANAGER = "mdev-busybox"
+
+#
+# Use a full set of packages instead of busybox for base utils
+#
+#PREFERRED_PROVIDER_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"
+
+#
+# Enable LTO system-wide
+#
+#require conf/distro/include/lto.inc
+#DISTRO_FEATURES_append = " lto"