rimage: various rimage fixes #23629

Job	Run time
build-windows (-d, mnfst, lnl)	8m 23s
build-linux (mnfst, lnl)	4m 14s
LP64-WIP	3m 47s
build-windows (mnfst, ptl)	11m 11s
build-windows (mnfst, mtl)	7m 51s
build-linux (mnfst, imx8 imx8x)	4m 41s
manifest-check	2m 48s
build-windows (mnfst, tgl-h)	8m 30s
build-linux (mnfst, imx8m imx8ulp)	4m 44s
build-linux (-d, mnfst, lnl)	4m 21s
build-windows (mnfst, imx8 imx8x)	9m 47s
build-linux (mnfst, mtl)	4m 34s
build-linux (mnfst, tgl)	3m 57s
build-windows (mnfst, tgl)	8m 43s
build-linux (mnfst, ptl)	5m 43s
build-windows (mnfst, imx8m imx8ulp)	9m 35s
build-windows (mnfst, lnl)	9m 46s
build-linux (mnfst, tgl-h)	4m 16s
build-linux (mnfst, wcl imx95)	5m 47s
compare-linux-win	36s
	2h 3m 14s

Provide feedback