meta-google: host-power-ctrl: Import gpio-host-pwr from gBMC

Upstream common package for gpio-host-pwr.

Change-Id: I08550d46d2b062f6b793cb5417d26231c7e4ca20
Signed-off-by: Tom Tung <shes050117@gmail.com>
diff --git a/meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_powercycle.sh b/meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_powercycle.sh
new file mode 100644
index 0000000..3c8f002
--- /dev/null
+++ b/meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_powercycle.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+source /usr/share/gpio-host-pwr/lib.sh || exit
+gpio_build_cache 10 "$HOST_GPIO_PGOOD" "$HOST_GPIO_PWR_BTN" || exit
+
+rc=0
+host_poweroff.sh || rc=$?
+# We want to ensure we aren't too quickly bouncing the power button
+sleep 0.5
+host_poweron.sh || rc=$?
+exit $rc