Bump buildroot to 2019.02

bsp/buildroot/package/swupdate/swupdate.config

@@ -12,6 +12,7 @@ CONFIG_HAVE_DOT_CONFIG=y
 # General Configuration
 #
 # CONFIG_CURL is not set
+# CONFIG_CURL_SSL is not set
 # CONFIG_SYSTEMD is not set
 CONFIG_SCRIPTS=y
 # CONFIG_HW_COMPATIBILITY is not set
@@ -49,6 +50,10 @@ CONFIG_EXTRA_LDLIBS=""
 # CONFIG_WERROR is not set
 # CONFIG_NOCLEANUP is not set
 
+#
+# EFI Boot Guard needs libebgenv and libz
+#
+
 #
 # U-Boot support needs libubootenv, libz
 #
@@ -72,29 +77,13 @@ CONFIG_BOOTLOADER_NONE=y
 #
 # CONFIG_SURICATTA is not set
 CONFIG_WEBSERVER=y
-
-#
-# Webserver Features
-#
 CONFIG_MONGOOSE=y
-
-#
-# Mongoose Feature
-#
 CONFIG_MONGOOSEIPV6=y
 
 #
 # SSL support needs libcrypto, libssl
 #
 
-#
-# Archival Features
-#
-
-#
-# gunzip support needs libz
-#
-
 #
 # Parser Features
 #
@@ -124,6 +113,10 @@ CONFIG_RAW=y
 # remote handler needs zeromq
 #
 
+#
+# swuforward handler needs json-c and curl
+#
+
 #
 # SWU forwarder requires libcurl
 #