security_flags: disable PIE flags for cups builds

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
security-flags: Deal with powerpc build issues

Building powerpc machines with the standard security flags generated numerous
build failures. Use a reduced set of flags for now to avoid linker issues
and other compile failures.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
security-flags: Avoid lttng-tools issue on arm

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