Big commit after code review from andesag01

cleanup in include files (unrequired removed + other moved to aes_alt.h)
hcryp_aes moved to mbedtls_aes_context to allow multi instances
remove ctx->nr, ctx->buf
doxygen comments are removed (kept in .h file)
function _ALT are removed (full module _ALT)
handle error returned by HAL_CRYPxx functions
aes is symetric, remove the dupplicated set_key_enc and set_key_dec
buffer, and factorize the call to set_key function

Author: adustm