Revert "Revert "poky: subtree update:b23aa6b753..ad30a6d470""

This reverts commit 4873add6e11c1bd421c83cd08df589f1184aa673.

A fix has been put up for openbmc/openbmc#3720 so we can bring
this back now

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: If59020a5b502f70aa7149fbef4ad2f50824d1ce6
diff --git a/poky/meta/conf/machine/include/arm/armv8-2a/tune-cortexa76-cortexa55.inc b/poky/meta/conf/machine/include/arm/armv8-2a/tune-cortexa76-cortexa55.inc
new file mode 100644
index 0000000..cae8ffe
--- /dev/null
+++ b/poky/meta/conf/machine/include/arm/armv8-2a/tune-cortexa76-cortexa55.inc
@@ -0,0 +1,20 @@
+#
+# Tune Settings for big.LITTLE Cortex-A76 - Cortex-A55
+#
+DEFAULTTUNE                                        ?= "cortexa76-cortexa55"
+
+TUNEVALID[cortexa76-cortexa55] = "Enable big.LITTLE Cortex-A76.Cortex-A55 specific processor optimizations"
+MACHINEOVERRIDES =. "${@bb.utils.contains("TUNE_FEATURES", "cortexa76-cortexa55", "cortexa76-cortexa55:", "", d)}"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "cortexa76-cortexa55", " -mcpu=cortex-a76.cortex-a55", "", d)}"
+
+require conf/machine/include/arm/arch-armv8-2a.inc
+
+AVAILTUNES                                         += "cortexa76-cortexa55 cortexa76-cortexa55-crypto"
+ARMPKGARCH_tune-cortexa76-cortexa55                 = "cortexa76-cortexa55"
+ARMPKGARCH_tune-cortexa76-cortexa55-crypto          = "cortexa76-cortexa55-crypto"
+TUNE_FEATURES_tune-cortexa76-cortexa55              = "${TUNE_FEATURES_tune-armv8-2a} cortexa76-cortexa55"
+TUNE_FEATURES_tune-cortexa76-cortexa55-crypto       = "${TUNE_FEATURES_tune-cortexa76-cortexa55} crypto"
+PACKAGE_EXTRA_ARCHS_tune-cortexa76-cortexa55        = "${PACKAGE_EXTRA_ARCHS_tune-armv8-2a} cortexa76-cortexa55"
+PACKAGE_EXTRA_ARCHS_tune-cortexa76-cortexa55-crypto = "${PACKAGE_EXTRA_ARCHS_tune-armv8-2a-crypto} cortexa76-cortexa55 cortexa76-cortexa55-crypto"
+BASE_LIB_tune-cortexa76-cortexa55                   = "lib64"
+BASE_LIB_tune-cortexa76-cortexa55-crypto            = "lib64"