llsec: Allow for sharing endianness functions
llsec: Allow for sharing AES-128
llsec: Allow for sharing CCM*
llsec: CCM* verification tests
llsec: CCM* encryption tests
llsec: Disable duplicate detection when the LLSEC driver provides replay protection anyway.
llsec: Replay protection
llsec: Noncompromise-resilient 802.15.4 security
llsec: Removed superseded NETSTACK_ENCRYPT, NETSTACK_DECRYPT, and
NETSTACK_ENCRYPTION_INIT macros
sicslowpan: Fixed too aggresive fragmentation
CC2420: Doing CRC in hardware all the time
CC2420: Macros as functions for saving program memory
CC2420: CC2420_WRITE_RAM with parameterizable ordering + resulting
simplifications
CC2420: The crystal oscillator only needs to stabilize at startup
CC2420: The variable "pending" was never used
CC2420: Removed unused variables
CC2420: Eliminated duplicated code in cc2420_read
CC2420: Reusing getrxdata instead of getrxbyte.
CC2420: Hardware-accelerated aes_128_driver
CC2420: Turned SPI macros to functions and removed redundant AES API