mem: workaround - remove MEM_REG_ATTR_SHARED_HEAP from SOF #20968

Job	Run time
LP64-WIP	3m 25s
manifest-check	50s
build-windows (mtl lnl)	8m 7s
build-windows (ptl)	6m 34s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 18s
build-linux (mnfst, mtl lnl)	5m 45s
build-windows (tgl tgl-h)	8m 45s
build-linux (mnfst, tgl tgl-h)	5m 38s
build-windows (imx8 imx8x imx8m imx8ulp)	9m 37s
build-linux (mnfst, ptl)	4m 12s
build-linux (zmain, mtl lnl)	5m 22s
build-linux (zmain, tgl tgl-h)	5m 5s
build-linux (zmain, ptl)	4m 14s
build-linux (-d, mnfst, lnl)	4m 9s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 26s
build-linux (mnfst, --all)	16m 46s
build-windows (-d, lnl)	8m 55s
compare-linux-win	1m 14s
	1h 51m 22s

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