Update Buildroot to 2019.02.3 (#415)

* Update Buildroot to 2019-02.3

* Fix enter script

* Update ova_defconfig

* Fix network manager

* Remove runc patches

* Use same docker version

* Fix build

* Fix vmtools

* Fix depens

* Fix handling with tempfiles

* Fix permission handling

* Fix cp

* Cleanup

* Fix mounts

buildroot/boot/uboot/Config.in

@@ -179,6 +179,19 @@ config BR2_TARGET_UBOOT_NEEDS_ATF_BL31
 	  variable pointing to ATF's BL31 binary, is passed during the
 	  Buildroot build.
 
+choice
+	prompt "U-Boot ATF BL31 format"
+	default BR2_TARGET_UBOOT_NEEDS_ATF_BL31_BIN
+	depends on BR2_TARGET_UBOOT_NEEDS_ATF_BL31
+
+config BR2_TARGET_UBOOT_NEEDS_ATF_BL31_BIN
+	bool "bl31.bin"
+
+config BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF
+	bool "bl31.elf"
+
+endchoice
+
 menu "U-Boot binary format"
 
 config BR2_TARGET_UBOOT_FORMAT_AIS

buildroot/boot/uboot/uboot.mk

@@ -137,8 +137,12 @@ UBOOT_MAKE_OPTS += \
 
 ifeq ($(BR2_TARGET_UBOOT_NEEDS_ATF_BL31),y)
 UBOOT_DEPENDENCIES += arm-trusted-firmware
+ifeq ($(BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF),y)
+UBOOT_MAKE_OPTS += BL31=$(BINARIES_DIR)/bl31.elf
+else
 UBOOT_MAKE_OPTS += BL31=$(BINARIES_DIR)/bl31.bin
 endif
+endif
 
 ifeq ($(BR2_TARGET_UBOOT_NEEDS_DTC),y)
 UBOOT_DEPENDENCIES += host-dtc
@@ -227,8 +231,9 @@ UBOOT_KCONFIG_EDITORS = menuconfig xconfig gconfig nconfig
 # (which is typically wchar) but link with
 # $(HOST_DIR)/lib/libncurses.so (which is not).  We don't actually
 # need any host-package for kconfig, so remove the HOSTCC/HOSTLDFLAGS
-# override again.
-UBOOT_KCONFIG_OPTS = $(UBOOT_MAKE_OPTS) HOSTCC="$(HOSTCC)" HOSTLDFLAGS=""
+# override again. In addition, host-ccache is not ready at kconfig
+# time, so use HOSTCC_NOCCACHE.
+UBOOT_KCONFIG_OPTS = $(UBOOT_MAKE_OPTS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTLDFLAGS=""
 define UBOOT_HELP_CMDS
 	@echo '  uboot-menuconfig       - Run U-Boot menuconfig'
 	@echo '  uboot-savedefconfig    - Run U-Boot savedefconfig'