Draft: systemd: add script for suspend workarounds

and rmmod hantro_vpu because with it loaded, system resume from ram hangs at:

[  359.416777] Enabling non-boot CPUs ...
[  359.421579] Detected VIPT I-cache on CPU1
[  359.421628] GICv3: CPU1: found redistributor 1 region 0:0x00000000388a0000
[  359.421702] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[  359.422736] CPU1 is up
[  359.443145] Detected VIPT I-cache on CPU2
[  359.443161] GICv3: CPU2: found redistributor 2 region 0:0x00000000388c0000
[  359.443185] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
[  359.443637] CPU2 is up
[  359.464108] Detected VIPT I-cache on CPU3
[  359.464125] GICv3: CPU3: found redistributor 3 region 0:0x00000000388e0000
[  359.464149] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
[  359.464726] CPU3 is up
[  359.499585] imx-pgc imx-pgc-domain.8: imx_pgc_power_up: start
[  359.510031] imx-pgc imx-pgc-domain.9: imx_pgc_power_up: start
[  359.515851] imx-pgc imx-pgc-domain.10: imx_pgc_power_up: start