this gets asterisk mostly configuring fine on aarch64, libsrtp is not happy
    
    configure on aarch64 doesnt like srtp
    
    configure: ***
    configure: *** The SRTP installation appears to be missing or broken.
    configure: *** Either correct the installation, or run configure
    configure: *** including --without-srtp.
    
    checking for srtp_init in -lsrtp... yes
    checking srtp/srtp.h usability... no
    checking srtp/srtp.h presence... no
    checking for srtp/srtp.h... no
    checking for srtp_shutdown in -lsrtp... yes
    checking for srtp/srtp.h... (cached) no