configs/nitrogen*: bump u-boot to 2018.07

Changelog summary:
- Various fixes all over
- Updated LPDDR4 timings for i.MX8M
- Support of UUU recovery tool
- Added support for i.MX8MMini, i.MX8MNano

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/nitrogen6sx_defconfig

@@ -24,8 +24,8 @@ BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_14=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-# Last version of branch boundary-v2017.07
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/1530219d.tar.gz"
+# Last version of branch boundary-v2018.07
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/26bfd1de.tar.gz"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="nitrogen6sx"
 BR2_TARGET_UBOOT_FORMAT_IMX=y
 BR2_TARGET_UBOOT_BOOT_SCRIPT=y

configs/nitrogen6x_defconfig

@@ -24,8 +24,8 @@ BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_14=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-# Last version of branch boundary-v2017.07
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/1530219d.tar.gz"
+# Last version of branch boundary-v2018.07
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/26bfd1de.tar.gz"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="nitrogen6q"
 BR2_TARGET_UBOOT_FORMAT_IMX=y
 BR2_TARGET_UBOOT_BOOT_SCRIPT=y

configs/nitrogen7_defconfig

@@ -23,8 +23,8 @@ BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_14=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-# Last version of branch boundary-v2017.07
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/1530219d.tar.gz"
+# Last version of branch boundary-v2018.07
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/26bfd1de.tar.gz"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="nitrogen7"
 BR2_TARGET_UBOOT_FORMAT_IMX=y
 BR2_TARGET_UBOOT_BOOT_SCRIPT=y

configs/nitrogen8m_defconfig

@@ -28,8 +28,8 @@ BR2_PACKAGE_FIRMWARE_IMX=y
 # ARM Trusted Firmware
 BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL=y
-# Latest revision of branch boundary-imx_4.9.51_imx8m_ga
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/imx-atf/archive/67c68675.tar.gz"
+# Latest revision of branch boundary-imx_4.14.98_2.3.0
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/imx-atf/archive/99e07a29.tar.gz"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="imx8mq"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y
 
@@ -38,8 +38,8 @@ BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="nitrogen8m"
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-# Latest revision of branch boundary-imx_v2017.03_4.9.51_imx8m_ga
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/b661d854.tar.gz"
+# Latest revision of branch boundary-imx_v2018.07
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot-imx6/archive/26bfd1de.tar.gz"
 BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
 BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot-nodtb.bin"
 BR2_TARGET_UBOOT_NEEDS_DTC=y