Bump buildroot to 2019.02

bsp/buildroot/package/linux-tools/Config.in

@@ -7,7 +7,6 @@ config BR2_PACKAGE_LINUX_TOOLS
 
 config BR2_PACKAGE_LINUX_TOOLS_CPUPOWER
 	bool "cpupower"
-	depends on !BR2_bfin # pciutils
 	select BR2_PACKAGE_LINUX_TOOLS
 	select BR2_PACKAGE_PCIUTILS
 	help
@@ -35,6 +34,15 @@ config BR2_PACKAGE_LINUX_TOOLS_IIO
 
 	  These tools are available only from kernel version 4.7.
 
+config BR2_PACKAGE_LINUX_TOOLS_PCI
+	bool "pci"
+	select BR2_PACKAGE_LINUX_TOOLS
+	help
+	  pcitest is a tool for testing capabilities related to a
+	  PCI Endpoint (only works with specific Endpoints).
+
+	  These tools are available only from kernel version 4.20.
+
 config BR2_PACKAGE_LINUX_TOOLS_PERF
 	bool "perf"
 	select BR2_PACKAGE_LINUX_TOOLS
@@ -56,6 +64,19 @@ config BR2_PACKAGE_LINUX_TOOLS_PERF
 
 	  https://perf.wiki.kernel.org/
 
+if BR2_PACKAGE_LINUX_TOOLS_PERF
+
+config BR2_PACKAGE_LINUX_TOOLS_PERF_TUI
+	bool "enable perf TUI"
+	depends on BR2_USE_MMU # slang
+	select BR2_PACKAGE_SLANG
+	help
+	  Enable the TUI interface for perf which requires a TTY and
+	  enables zooming into DSOs and threads as well as other
+	  features.
+
+endif
+
 config BR2_PACKAGE_LINUX_TOOLS_SELFTESTS
 	bool"selftests"
 	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # bash