修改SELinux状态

#su#getenforce#setenforce 0即可关闭。或者下载selinux mode changer

代码：/bootable/bootloader/lk/platform/mt6735/Rules.mk

# choose one of following value -> 1: disabled/ 2: permissive /3: enforcing
SELINUX_STATUS := 3

# overwrite SELINUX_STATUS value with PRJ_SELINUX_STATUS, if defined. it's by project variable.
ifdef PRJ_SELINUX_STATUS
    SELINUX_STATUS := $(PRJ_SELINUX_STATUS)
endif

ifeq (yes,$(strip $(MTK_BUILD_ROOT)))
SELINUX_STATUS := 2
endif

DEFINES += SELINUX_STATUS=$(SELINUX_STATUS)