ios: add gen_entitlements.py to build depends
ios: fakeroot for packaging deb without super privilege
ios: add fakeroot and gen_entitlements to native build target
ios: suppress "32-bit absolute address out of range" warning

reference: https://github.com/kivy/kivy-ios/commit/0062353c5812b893d6d4bcc97eb221cd782a298c
ios: fix backrow header missing issue
ios: arm64: allow use_cpu to accept arm64 and armv7s
ios: arm64: remove unused legacy cflags

also ignore warning implicit-function-declaration as error
ios: arm64: disable pcre jit

currently pcre jit doesn't support aarch64
ios: arm64: fix openssl build error

do not hardcode arch argument
ios: arm64: fix libmad build error

add "--disable-aso" when configure
need rewrite asm part for aarch64
ios: arm64: fix libmpeg2 build error

fallback asm code to C code
need to port 32-bit neon code to aarch64
ios: arm64: fix mysql build error

detect aarch64 by "__arm64__" macro
ios: arm64: disable 32-bit neon asm
ios: arm64: move to gas-pp with aarch64 support

reference: https://github.com/libav/gas-preprocessor
ios: arm64: build 64-bit target by argument

add "--with-cpu=arm64" when configure
ios: arm64: support ffmpeg target for arm64
ios: arm64: fix available memory showing on arm64

reference:
http://stackoverflow.com/questions/21552747/strange-behavior-on-64bit-ios-devices-when-retrieving-vm-statistics
ios: arm64: backport ffmpeg aarch64 support
ios: arm64: detect 64-bit build when packaging
ios: packaging scripts: compress with lzma

remove garbage files
add installed size entry for control file
add cydia icon file for ios app