Release 4.4-openpower2 kernel

 - Updated defconfig for 4.4
 - Adds EEH PE patch
 - Restores xhci driver workarounds for USB bugs
 - aacraid driver is now usptream
 - Powerpc kexec patches are upstream

Tested on palmetto and habanero systems.

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/configs/firestone_defconfig b/openpower/configs/firestone_defconfig
index 211b99d..eb4eb30 100644
--- a/openpower/configs/firestone_defconfig
+++ b/openpower/configs/firestone_defconfig
@@ -6,6 +6,7 @@
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_TOOLCHAIN_BUILDROOT_CXX=y
 # BR2_TOOLCHAIN_BUILDROOT_LIBSTDCPP is not set
+BR2_GLIBC_VERSION_2_22=y
 
 BR2_OPENPOWER_CONFIG_NAME="firestone"
 BR2_OPENPOWER_XML_PACKAGE="firestone-xml"
@@ -44,8 +45,8 @@
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
-BR2_KERNEL_HEADERS_4_2=y
-BR2_DEFAULT_KERNEL_HEADERS="4.2.6"
+BR2_KERNEL_HEADERS_4_4=y
+BR2_DEFAULT_KERNEL_HEADERS="4.4"
 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"