configs: nitrogen*: bump kernel version to 4.1.15_1.0.0_ga

Using the latest commit of our 4.1.15 kernel branch:
https://github.com/boundarydevices/linux-imx6/commits/boundary-imx_4.1.15_1.0.0_ga

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/nitrogen6sx_defconfig

@@ -14,8 +14,8 @@ BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 
-# Linux headers same as kernel, a 3.14 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_14=y
+# Linux headers same as kernel, a 4.1 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_1=y
 
 # bootloader
 BR2_TARGET_UBOOT=y
@@ -28,8 +28,8 @@ BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="http://github.com/boundarydevices/u-bo
 # kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-# Last version of branch boundary-imx_3.14.52_1.1.0_ga
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/0d92195d/linux-imx6-0d92195d.tar.gz"
+# Last version of branch boundary-imx_4.1.15_1.0.0_ga
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/archive/8a73de91.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="boundary"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y

configs/nitrogen6x_defconfig

@@ -14,8 +14,8 @@ BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 
-# Linux headers same as kernel, a 3.14 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_14=y
+# Linux headers same as kernel, a 4.1 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_1=y
 
 # bootloader
 BR2_TARGET_UBOOT=y
@@ -28,8 +28,8 @@ BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="http://github.com/boundarydevices/u-bo
 # kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-# Last version of branch boundary-imx_3.14.52_1.1.0_ga
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/0d92195d/linux-imx6-0d92195d.tar.gz"
+# Last version of branch boundary-imx_4.1.15_1.0.0_ga
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/archive/8a73de91.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="boundary"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y

configs/nitrogen7_defconfig

@@ -15,8 +15,8 @@ BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 
-# Linux headers same as kernel, a 3.14 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_14=y
+# Linux headers same as kernel, a 4.1 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_1=y
 
 # bootloader
 BR2_TARGET_UBOOT=y
@@ -28,8 +28,8 @@ BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="http://github.com/boundarydevices/u-bo
 # kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-# Last version of branch boundary-imx_3.14.52_1.1.0_ga
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/0d92195d/linux-imx6-0d92195d.tar.gz"
+# Last version of branch boundary-imx_4.1.15_1.0.0_ga
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/archive/8a73de91.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="boundary"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y