chore: module to add support raid controller of HP gen2 machines (#7647)

adding `megaraid_sas` to support: 
```
*-raid
       description: RAID bus controller
       product: MegaRAID 12GSAS/PCIe Secure SAS39xx
       vendor: Broadcom / LSI
       physical id: 0
       bus info: pci@0000:64:00.0
       logical name: scsi0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: raid pm msi pciexpress msix bus_master
```

Author: r-birkner

ic-os/components/early-boot/initramfs-tools/hostos/modules

@@ -2,3 +2,4 @@ virtio_blk
 nvme
 ahci
 msr
+megaraid_sas