system/easy-kernel: Depend on elfutils

Needed for x86_64, at least.

system/easy-kernel/APKBUILD

@@ -13,7 +13,7 @@ arch="all"
 options="!check !dbg !strip !tracedeps"
 license="GPL-2.0-only"
 depends="kernel-boot"
-makedepends="bc bison flex gzip kmod lzop openssl-dev xz"
+makedepends="bc bison elfutils-dev flex gzip kmod lzop openssl-dev xz"
 provides="easy-kernel$_kflavour=$pkgver-r$pkgrel"
 replaces="easy-kernel-power8 easy-kernel-power8-64k"
 subpackages="$_pkgname-modules-$pkgver-mc$_patchver:modules