libftdi: autoreconf should happen for host as well

Fixes http://autobuild.buildroot.net/results/d30/d3090804149654e099d3bc9953d48fd920812bf4/build-end.log

The same patches gets applied for target and host, so we should do
autoreconf for the host as well.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libftdi/libftdi.mk

@@ -10,6 +10,7 @@ LIBFTDI_DEPENDENCIES = libusb-compat libusb
 LIBFTDI_INSTALL_STAGING = YES
 LIBFTDI_CONFIG_SCRIPTS = libftdi-config
 LIBFTDI_AUTORECONF = YES
+HOST_LIBFTDI_AUTORECONF = YES
 
 LIBFDTI_CONF_OPT = --without-examples