Before start sorting check for the number of entries in the data set. If
there are less than two entries, sorting makes no sense.
Change-Id: Ib9d5522cdebb6559a025217f7faf318589d55a2c
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31854
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>