[bullseye] fdisk and gpg missing from host

[alexrallen]

THIS IS A BUG TARGETING the Debian 11 / Kernel 5.10 UPGRADE

Description

The packages fdisk and gpg are missing from the host image. They were previously present in buster.

This is currently breaking fwutil which assumes these packages will be present.

Manual installation of these packages fixes the fwutil flow.

Steps to reproduce the issue:

1. Run show platform firmware status on a Mellanox switch

Describe the results you received:

Error: Command 'mount -n -r -t ext4 /bin/sh: 1: fdisk: not found /mnt/onie-fs' returned non-zero exit status 1.. Aborting...
Aborted!

Describe the results you expected:

Should return the expected output for this command.

[alexrallen]

@saiarcot895 FYI

[saiarcot895]

This will be fixed in my PR.