Rename addon AddBMCType function to addBMCType
Rename addon AddBMCType function to addBMCType

- addBMCType is the documented name, this fixes case mixup I caused

Signed-off-by: Jason Albert <fa03034561e2b166380dd3e144e93f10ef6a69c2@us.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

open-power/op-test-framework,open-power/op-test-framework,open-power/op-test-framework