Revert "internalized modules"

This reverts commit 4113a6d15df17acccbc1d88b42ad863a9fa9a576.
Revert "make /system writable (fixed accidental revert)"

This reverts commit b81eab35bcababcf27d318eb0f660321430aa35e.
Revert "disable USB_OTG whitelist"

This reverts commit 0030c200fb71af08ac47ffa01ebf2f399b7651f6.
Revert "updated m7_defconfig"

This reverts commit 512639fed2534cf54e8a02b313fbae64db89f9b6.
updated m7_defconfig
Revert "updated m7_defconfig"

This reverts commit 512639fed2534cf54e8a02b313fbae64db89f9b6.