exa2pro/starpu-max: porting work to Maxeler DFE @ a3c7c3a755905556327737e4461fff12155cf2d1

Samuel Thibault f8617a97b9 no need to pass the multiplier as a buffer		16 rokov pred
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block.c	f8617a97b9 no need to pass the multiplier as a buffer	16 rokov pred
block_cuda.cu	f8617a97b9 no need to pass the multiplier as a buffer	16 rokov pred
block_kernel.cl	f8617a97b9 no need to pass the multiplier as a buffer	16 rokov pred