Bump kernelss and switch to ld.bfg for kernel compile

eclass/sablink-kernel.eclass

@@ -778,6 +778,7 @@ _kernel_src_compile() {
 		--mountboot \
 		--module-prefix="${WORKDIR}"/lib \
 		--kernel-cc=/usr/lib/ccache/bin/${CHOST}-gcc \
+		--kernel-ld=${CHOST}-ld.bfd \
 		all || die "genkernel failed"
 
 	if [ -n "${K_MKIMAGE_KERNEL_ADDRESS}" ]; then