redhat/configs: disable two partition configs

Ming Leirequested to merge
minlei/kernel-ark:rhel9-blk-config into os-build

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1802694

Disable the following two configs:

 CONFIG_AMIGA_PARTITION=y - it's for the old Amiga home computers  
 CONFIG_KARMA_PARTITION=y - it's for the Rio Karma MP3 player

both won't match rhel/fedora use case and we can't test them too, so
disable them.

Signed-off-by: Ming Lei ming.lei@redhat.com

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