[rdkb][common][app][Add perf build-in]

[Description]
Add perf build-in
1. add binutils into the white list of GPLv3, because of perf depend on binutils and if the license of binutils
is GPLv3, and rdkb will return error for GPLv3 can't depend on.
2. remove RDEPENDS elfutils for perf

[Release-log]

diff --git a/recipes-core/images/rdk-generic-broadband-image.bbappend b/recipes-core/images/rdk-generic-broadband-image.bbappend
index b5035ed..c8bba8d 100644
--- a/recipes-core/images/rdk-generic-broadband-image.bbappend
+++ b/recipes-core/images/rdk-generic-broadband-image.bbappend
@@ -35,7 +35,8 @@
     xl2tpd \
     strongswan \
     libpcap \
-    tcpdump \  
+    tcpdump \
+    perf \
     "
 #IMAGE_INSTALL += " opensync openvswitch mesh-agent e2fsprogs "