Fixing plat_specific_sv_name logic to work with Amazon Linux 2
Fixing plat_specific_sv_name logic to work with Amazon Linux 2

node['platform_family'] for amazon linux 2 now returns 'amazon' not 'rhel'.
This needs to be updated as the service name is 'runsvdir-start' but its trying to use the default 'runsvdir'

Signed-off-by: Mendy Baitelman <105bdf85ce0cd7ecb2a59e3837bdc8ce05e256a5@baitelman.com>

hw-cookbooks/runit,hw-cookbooks/runit,hw-cookbooks/runit