Release 4.4.39-openpower1

 - Add "drivers/gpu/drm/ast: Fix infinite loop if read fails" to avoid
   hanging when probing the the Aspeed graphics device. This is queued in
   drm-misc-fixes[1]

 - Move to latest upstream stable release 4.4.39

[1] https://patchwork.kernel.org/patch/9477147/

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/configs/openpower_mambo_defconfig b/openpower/configs/openpower_mambo_defconfig
index 0beb640..39905a5 100644
--- a/openpower/configs/openpower_mambo_defconfig
+++ b/openpower/configs/openpower_mambo_defconfig
@@ -14,7 +14,7 @@
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var ../openpower/scripts/firmware-whitelist"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4.38"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4.39"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"