Bump buildroot to 2019.02

bsp/buildroot/package/pigz/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_PIGZ
+	bool "pigz"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	select BR2_PACKAGE_ZLIB
+	help
+	  pigz, which stands for parallel implementation of gzip, is a
+	  fully functional replacement for gzip that exploits multiple
+	  processors and multiple cores to the hilt when compressing
+	  data.
+
+	  http://www.zlib.net/pigz/
+
+comment "pigz needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

bsp/buildroot/package/pigz/pigz.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  e228e7d18b34c4ece8d596eb6eee97bde533c6beedbb728d07d3abe90b4b1b52  pigz-v2.4.tar.gz
+sha256	dc8f78258cdb4478b5922f4c00eb63d3cbac06c171dc829648fd414bb0cf4493  README

bsp/buildroot/package/pigz/pigz.mk

@@ -0,0 +1,21 @@
+################################################################################
+#
+# pigz
+#
+################################################################################
+
+PIGZ_VERSION = v2.4
+PIGZ_SITE = $(call github,madler,pigz,$(PIGZ_VERSION))
+PIGZ_DEPENDENCIES = zlib
+PIGZ_LICENSE = Zlib
+PIGZ_LICENSE_FILES = README
+
+define PIGZ_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)
+endef
+
+define PIGZ_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/pigz $(TARGET_DIR)/usr/bin/pigz
+endef
+
+$(eval $(generic-package))