Address armv7-a-neon config issues

1) CM by default removes krait from cortex-a15 but if you look at Google build master branch they leave this note about how it is needed so that hardware divide operation are generated. This should resolve that issue.
2) It turns out that krait/cortex-a15 support LPAE but it is not enabled unless we fake this flag here.  This is also from Google build Master Branch.
3) I noticed that --fix-cortex-a8 is being applied to all cpu varients which makes no sense so I've moved that option under cortex-a8 where it should be (at least in my opinion where it should be)

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Change-Id: I3aa5266dab8ab23267623ca936f771edbae2c9a8
build: Parse TARGET_COPY_FILES_OVERRIDES late in the setup

Change-Id: Ie3e4a168ff224e3b65e4627c0757e8813a02167f
build: Fix QCOM_BSP_LEGACY cflags

Change-Id: I880f32892d9e082e3ba92878414f3cb3c6f08066
Fix QCOM_BSP_LEGACY

Checks in the Android.mk files do not enable the cflags for .h
files, causing a build that crashes constantly.

Change-Id: I315c760488445629fda860ba70066417c7d68b8b