DP: src: Fix period calculation for SRC DP module #80

Job	Run time
manifest-check	1m 0s
build-windows (imx8 imx8x imx8m)	6m 41s
LP64-WIP	3m 36s
build-windows (mtl)	7m 18s
build-linux (mnfst, imx8 imx8x imx8m)	4m 36s
build-windows (tgl tgl-h)	7m 4s
build-linux (mnfst, mtl)	3m 57s
build-windows (-d, mtl)	6m 25s
build-linux (mnfst, lnl)	4m 0s
build-linux (mnfst, tgl tgl-h)	8m 19s
build-linux (zmain, imx8 imx8x imx8m)	4m 0s
build-linux (zmain, mtl)	4m 3s
build-linux (zmain, lnl)	6m 33s
build-linux (zmain, tgl tgl-h)	6m 51s
build-linux (-d, mnfst, mtl)	7m 1s
compare-linux-win	44s
	1h 22m 8s

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