ast2600: Add getfattr/setfattr for getting and setting xattrs

Add tools getfattr and setfattr for getting and setting of xattrs.
These tools are useful to have in when using IMA and EVM signatures.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
diff --git a/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/templates/default/local.conf.sample b/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/templates/default/local.conf.sample
index 0280b0f..95be7ab 100644
--- a/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/templates/default/local.conf.sample
+++ b/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/templates/default/local.conf.sample
@@ -37,4 +37,7 @@
 # The following policy enforces IMA & EVM signatures
 # IMA_EVM_POLICY = "${INTEGRITY_BASE}/recipes-security/ima_policy_appraise_all/files/ima_policy_appraise_all"
 
+# Useful debugging tools
+# IMAGE_INSTALL:append = " attr-tools"
+
 require conf/machine/include/obmc-bsp-common.inc