Add SELinux permissive mode to kernel command line

BoardConfig.mk

@@ -61,7 +61,7 @@ TARGET_KERNEL_ARCH := arm64
 # Boot
 BOARD_BOOT_HEADER_VERSION := 2
 BOARD_KERNEL_BASE := 0x00000000
-BOARD_KERNEL_CMDLINE := video=vfb:640x400,bpp=32,memsize=3072000 printk.devkmsg=on firmware_class.path=/vendor/firmware_mnt/image bootconfig androidboot.hardware=qcom androidboot.memcg=1 androidboot.usbcontroller=a600000.dwc3 loop.max_part=7
+BOARD_KERNEL_CMDLINE := video=vfb:640x400,bpp=32,memsize=3072000 printk.devkmsg=on firmware_class.path=/vendor/firmware_mnt/image bootconfig androidboot.hardware=qcom androidboot.memcg=1 androidboot.usbcontroller=a600000.dwc3 loop.max_part=7 androidboot.selinux=permissive
 BOARD_KERNEL_IMAGE_NAME := Image.gz
 BOARD_KERNEL_PAGESIZE := 4096
 BOARD_KERNEL_OFFSET := 0x00008000