Bump buildroot to 2019.02

bsp/buildroot/boot/barebox/Config.in

@@ -12,7 +12,7 @@ choice
 	  Select the specific Barebox version you want to use
 
 config BR2_TARGET_BAREBOX_LATEST_VERSION
-	bool "2017.09.0"
+	bool "2018.12.0"
 
 config BR2_TARGET_BAREBOX_CUSTOM_VERSION
 	bool "Custom version"
@@ -40,7 +40,7 @@ endif
 
 config BR2_TARGET_BAREBOX_VERSION
 	string
-	default "2017.09.0"	if BR2_TARGET_BAREBOX_LATEST_VERSION
+	default "2018.12.0"	if BR2_TARGET_BAREBOX_LATEST_VERSION
 	default BR2_TARGET_BAREBOX_CUSTOM_VERSION_VALUE if BR2_TARGET_BAREBOX_CUSTOM_VERSION
 	default "custom"	if BR2_TARGET_BAREBOX_CUSTOM_TARBALL
 	default BR2_TARGET_BAREBOX_CUSTOM_GIT_VERSION if BR2_TARGET_BAREBOX_CUSTOM_GIT

bsp/buildroot/boot/barebox/barebox.hash

@@ -1,5 +1,5 @@
-# http://www.barebox.org/download/barebox-2017.09.0.tar.bz2.md5
-md5 b92e9c99cda7fbb61d01baf5679df261 barebox-2017.09.0.tar.bz2
+# From https://www.barebox.org/download/barebox-2018.12.0.tar.bz2.md5
+md5 f84d7d3562055c80c3eedce0b14d4a0d barebox-2018.12.0.tar.bz2
 
 # Locally calculated
-sha256 43283edc019f95a53fdb7d1b7c294afc4741bfcace348d6beeded5fe5147a81b barebox-2017.09.0.tar.bz2
+sha256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 barebox-2018.12.0.tar.bz2

bsp/buildroot/boot/barebox/barebox.mk

@@ -28,7 +28,7 @@ $(1)_SITE_METHOD = git
 else
 # Handle stable official Barebox versions
 $(1)_SOURCE = barebox-$$($(1)_VERSION).tar.bz2
-$(1)_SITE = http://www.barebox.org/download
+$(1)_SITE = https://www.barebox.org/download
 endif
 
 $(1)_DEPENDENCIES = host-lzop

bsp/buildroot/boot/barebox/barebox/Config.in

@@ -17,7 +17,6 @@ config BR2_TARGET_BAREBOX_BOARD_DEFCONFIG
 	  Name of the board for which Barebox should be built, without
 	  the _defconfig suffix.
 
-
 config BR2_TARGET_BAREBOX_CUSTOM_CONFIG_FILE
 	string "Configuration file path"
 	depends on BR2_TARGET_BAREBOX_USE_CUSTOM_CONFIG