MISRAC2012-Rule-8.3_b: match function declaration and definition
avoid function param modification
add 'U' to unsigned constants
rijndael: comment 192-bit and 256-bit variants
rijndael: enable decrypt with ENABLE_RIJNDAEL_ENCRYPT
btstack_crypto: move rijndael/aes128 implementation into 3rd-party [a2471]
mesh: use rijndael from test folder
restart mesh development based on current develop and existing mesh branches