Bump buidlroot version to 2018.02.6

bsp/buildroot/package/rpm/rpm.mk

@@ -9,14 +9,12 @@ RPM_VERSION = $(RPM_VERSION_MAJOR).0.1
 RPM_SOURCE = rpm-$(RPM_VERSION).tar.bz2
 RPM_SITE = http://ftp.rpm.org/releases/rpm-$(RPM_VERSION_MAJOR).x
 RPM_DEPENDENCIES = host-pkgconf berkeleydb file popt zlib
-RPM_LICENSE = GPLv2 or LGPLv2 (library only)
+RPM_LICENSE = GPL-2.0 or LGPL-2.0 (library only)
 RPM_LICENSE_FILES = COPYING
-RPM_PATCH = \
-	https://github.com/rpm-software-management/rpm/commit/b5f1895aae096836d6e8e155ee289e1b10fcabcb.patch \
-	https://github.com/rpm-software-management/rpm/commit/c810a0aca3f1148d2072d44b91b8cc9caeb4cf19.patch
+RPM_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
 
-# b5f1895aae096836d6e8e155ee289e1b10fcabcb.patch
-# c810a0aca3f1148d2072d44b91b8cc9caeb4cf19.patch
+# 0001-configure-ac-use-link-instead-of-compile-for-gcc-flags-test.patch
+# 0002-configure-ac-correct-stack-protector-check.patch
 RPM_AUTORECONF = YES
 
 RPM_CONF_OPTS = \
@@ -45,8 +43,7 @@ RPM_CONF_OPTS += --with-beecrypt
 RPM_CFLAGS += -I$(STAGING_DIR)/usr/include/beecrypt
 endif
 
-ifeq ($(BR2_NEEDS_GETTEXT_IF_LOCALE),y)
-RPM_DEPENDENCIES += gettext
+ifeq ($(BR2_PACKAGE_GETTEXT_PROVIDES_LIBINTL),y)
 RPM_CONF_OPTS += --with-libintl-prefix=$(STAGING_DIR)/usr
 else
 RPM_CONF_OPTS += --without-libintl-prefix
@@ -76,12 +73,6 @@ ifeq ($(BR2_PACKAGE_BINUTILS),y)
 RPM_DEPENDENCIES += binutils
 endif
 
-# RPM, when using NLS, requires GNU gettext's _nl_msg_cat_cntr, which is not
-# provided in musl.
-ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
-RPM_CONF_OPTS += --disable-nls
-endif
-
 # ac_cv_prog_cc_c99: RPM uses non-standard GCC extensions (ex. `asm`).
 RPM_CONF_ENV = \
 	ac_cv_prog_cc_c99='-std=gnu99' \