1. Merge files in lib/, test/, perf/, cmake/, docs/, examples/,
       and root dir with intel-ipsec-mb except docs/index.html.
    2. Modify intel-ipsec-mb.h to ipsec-mb.h
    3. Add "__aarch64__" macro to files in lib/ perf/ test/, to
       manage code for AARCH64.
    4. Add crc32_aarch64.c to lib/aarch64
    5. Modify "asm" to "__asm__" in lib/aarch to compat -std=c99.
    6. Rename aesni_emu_aarch64.S, zuc_common.S, zuc_sbox.S to
       aesni_emu_aarch64.inc, zuc_common.inc, zuc_sbox.inc.
    7. Add " CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" " to some
       CMakeLists.txt to manage code for AARCH64.
    8. Add "-Wno-unused-parameter -Wno-unused-variable
       -Wno-unused-function" to CFLAGS in Makefile and CMakeLists.txt.

Change-Id: I2c668561fd045f7f3c288441e8449c9ff3f027a4