Draft: huawei-venus: new device

Add Huawei P9 lite (venus) Using downstream kernel. Device boots, is accessible via ssh via usb, but the backlight is off

device/testing/device-huawei-venus/deviceinfo

@@ -20,7 +20,7 @@ deviceinfo_screen_height="1920"
 
 # Bootloader related
 deviceinfo_flash_method="fastboot"
-deviceinfo_kernel_cmdline="loglevel=4 coherent_pool=512K page_tracker=on slub_min_objects=12 unmovable_isolate1=2:192M,3:224M,4:256M androidboot.selinux=enforcing"
+deviceinfo_kernel_cmdline="loglevel=4 coherent_pool=512K page_tracker=on slub_min_objects=12 unmovable_isolate1=2:192M,3:224M,4:256M androidboot.selinux=permissive"
 deviceinfo_generate_bootimg="true"
 deviceinfo_bootimg_qcdt="false"
 deviceinfo_bootimg_mtk_mkimage="false"