meta-security: subtree update:ab239f1497..46f7e7acbe

Armin Kuster (18):
      python3-scapy: update to 2.4.5
      lkrg-module: update 0.9.1
      packagegroup-core-security: exclude ossec-hids from musl
      ossec-hids: musl not compatable
      sssd: update to 2.5.0
      busybox: drop as libsecomp is in core
      linux-%_5.%.bbappend: drop recipe
      initramfs-framework: fix YCL issue.
      python3-scapy: drop , now in meta-python
      packagegroup-core-security: drop python3-scapy
      meta-hardening/initscripts: missed overide.
      meta-security: add sanity check
      meta-security/recipe-kernel: use sanity check
      linux-yocto-dev: drop bbappend
      meta-tpm: add layer sanity check
      meta-tpm/linux-yocto: use sanity support
      meta-integrity: add sanity check
      meta-integrity/recipe-kernel: use sanity check

Federico Pellegrin (1):
      aircrack-ng: update to 1.6

Kai Kang (2):
      sssd: set pid path with /run
      sssd: add fix-ldblibdir.patch back

Ricardo Salveti (1):
      tpm2-tss: fix usrmerge udev install path

Robert P. J. Day (1):
      Correct "securiyt" typo in maintainers.inc

Sekine Shigeki (1):
      smack: add 3 cves to allowlist

Upgrade Helper (2):
      clamav: upgrade to latest revision
      opendnssec: upgrade 2.1.8 -> 2.1.9

Yi Zhao (1):
      libgssglue: update SRC_URI

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I3bcabc218b240681d525111d16f963eb9b33c922
diff --git a/meta-security/README b/meta-security/README
index eb15366..4047b86 100644
--- a/meta-security/README
+++ b/meta-security/README
@@ -1,6 +1,24 @@
 Meta-security
 =============
 
+The bbappend files for some recipes (e.g. linux-yocto) in this layer need
+to have 'security' in DISTRO_FEATURES to have effect.
+To enable them, add in configuration file the following line.
+
+  DISTRO_FEATURES_append = " security"
+
+If meta-security is included, but security  is not enabled as a
+distro feature a warning is printed at parse time:
+
+    You have included the meta-security layer, but
+    'security' has not been enabled in your DISTRO_FEATURES. Some bbappend files
+    and preferred version setting may not take effect.
+
+If you know what you are doing, this warning can be disabled by setting the following
+variable in your configuration:
+
+  SKIP_META_SECURITY_SANITY_CHECK = 1
+
 This layer provides security tools, hardening tools for Linux kernels
 and libraries for implementing security mechanisms.