[OE-core] [PATCH] layer.conf: Add SIGGEN exclusion for oprofile kernel dependency

[Richard Purdie]

The oprofile kernel dependency is a simple RRECOMMENDS, it therefore
doesn't have any interface constraints and doesn't need to rebuild
every time the kernel changes.

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

diff --git a/meta/conf/layer.conf b/meta/conf/layer.conf
index 1a2f4d5..9773632 100644
--- a/meta/conf/layer.conf
+++ b/meta/conf/layer.conf
@@ -54,5 +54,6 @@ SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS += " \
   font-alias->font-util \
   weston-init->weston \
   weston-init->kbd \
+  oprofile->virtual/kernel \
 "