exa2pro/starpu-max: porting work to Maxeler DFE @ 00a4a197f784c7b6705e1bc1149e036cd845392a

Samuel Thibault e2ca037b73 fxt: fix memleak of comms when no paje file is produced		4 lat temu
..
traces	e2ca037b73 fxt: fix memleak of comms when no paje file is produced	4 lat temu
latency.c	c5d75b6685 data_request: Record the origin task in the request	4 lat temu
starpu_debug_helpers.h	3e3954171f Set visibility of internal functions to hidden by default	4 lat temu
structures_size.c	9054490002 happy 2021	5 lat temu