DRC: math: Rename variables and functions in accordance SOF math regu… #347

Job	Run time
LP64-WIP	3m 32s
build-windows (imx8 imx8x imx8m)	6m 12s
build-linux (mnfst, imx8 imx8x imx8m)	4m 56s
build-windows (mtl)	5m 29s
manifest-check	40s
build-linux (mnfst, mtl)	4m 4s
build-windows (tgl tgl-h)	6m 10s
build-linux (mnfst, lnl)	4m 23s
build-windows (-d, mtl)	6m 52s
build-linux (mnfst, tgl tgl-h)	5m 11s
build-linux (zmain, imx8 imx8x imx8m)	4m 23s
build-linux (zmain, mtl)	3m 56s
build-linux (zmain, lnl)	4m 10s
build-linux (zmain, tgl tgl-h)	4m 50s
build-linux (-d, mnfst, mtl)	4m 0s
compare-linux-win	1m 2s
	1h 9m 50s

Provide feedback