dhcp-relay: Use recent config.guess and config.sub for bind

vendored version of bind is quite old which does not have all newer
architecture info like riscv in gnu-config files captured in the bind
tarball, therefore update these files before configuring bundled bind

Fixes build on rv32/rv64

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Yi Zhao <yi.zhao@windriver.com>

meta-networking/recipes-connectivity/dhcp/dhcp-relay_4.4.2.bb

@@ -43,6 +43,12 @@ EXTRA_OECONF = "--enable-paranoia \
 do_configure_prepend () {
     cp configure.ac+lt configure.ac
 }
+do_compile_prepend() {
+    rm -rf ${S}/bind/bind-9.11.14/
+    tar xf ${S}/bind/bind.tar.gz -C ${S}/bind
+    install -m 0755 ${STAGING_DATADIR_NATIVE}/gnu-config/config.guess ${S}/bind/bind-9.11.14/
+    install -m 0755 ${STAGING_DATADIR_NATIVE}/gnu-config/config.sub ${S}/bind/bind-9.11.14/
+}
 
 do_install_append () {
     install -d ${D}${sysconfdir}/default