[OE-core] [PATCH] layer.conf: Improve siggen exclusion to handle virtual/libc

[Richard Purdie]

Now the system supports virtual/xxx in SIGGEN_ variables, convert
this one to use virtual/libc instead of the hardcoded expansion which
is error prone.

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

diff --git a/meta/conf/layer.conf b/meta/conf/layer.conf
index 9e80018..1a2f4d5 100644
--- a/meta/conf/layer.conf
+++ b/meta/conf/layer.conf
@@ -41,9 +41,7 @@ SIGGEN_EXCLUDERECIPES_ABISAFE += " \
 "
 
 SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS += " \
-  gcc-cross-${TARGET_ARCH}->glibc \
-  gcc-cross-${TARGET_ARCH}->musl \
-  gcc-cross-${TARGET_ARCH}->uclibc \
+  gcc-cross-${TARGET_ARCH}->virtual/libc \
   gcc-cross-${TARGET_ARCH}->linux-libc-headers \
   ppp-dialin->ppp \
   resolvconf->bash \