popt: use the new gettext logic

This commit switches to use the new gettext logic, which involves
using TARGET_NLS_DEPENDENCIES instead of hand-encoded dependencies
on gettext/host-gettext.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/popt/popt.mk

@@ -11,10 +11,7 @@ POPT_LICENSE = MIT
 POPT_LICENSE_FILES = COPYING
 POPT_AUTORECONF = YES
 POPT_GETTEXTIZE = YES
-
-ifeq ($(BR2_PACKAGE_GETTEXT),y)
-POPT_DEPENDENCIES += gettext
-endif
+POPT_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
 
 POPT_CONF_ENV = ac_cv_va_copy=yes