common: vendor: allow device to use customized post-boot script

Some devices may want to override these default settings
and use its own customized post-boot script.

Set vendor.post_boot.custom to "true" from the device tree to override.

Change-Id: If1a71b489710be39df250eda65450d7e4c3a9a13
Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>

vendor/init/holi/bin/init.kernel.post_boot.sh

@@ -31,6 +31,11 @@
 # IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #=============================================================================
 
+if [[ "$(getprop vendor.post_boot.custom)" == "true" ]]; then
+  echo "Device overrides post_boot, skipping $0"
+  exit 0
+fi
+
 if [ -f /sys/devices/soc0/chip_family ]; then
 	chipfamily=`cat /sys/devices/soc0/chip_family`
 fi

vendor/init/init.qcom.post_boot.sh

@@ -27,6 +27,11 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
+if [[ "$(getprop vendor.post_boot.custom)" == "true" ]]; then
+  echo "Device overrides post_boot, skipping $0"
+  exit 0
+fi
+
 function 8953_sched_dcvs_eas()
 {
     if [ $KernelVersionA -ge 4 ] && [ $KernelVersionB -ge 19 ]; then

vendor/init/lahaina/bin/init.kernel.post_boot.sh

@@ -30,6 +30,11 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #=============================================================================
 
+if [[ "$(getprop vendor.post_boot.custom)" == "true" ]]; then
+  echo "Device overrides post_boot, skipping $0"
+  exit 0
+fi
+
 if [ -f /sys/devices/soc0/soc_id ]; then
 	platformid=`cat /sys/devices/soc0/soc_id`
 fi