config: Don't ignore errors in the per-user config file
config: Don't ignore errors in the per-user config file

Right now we silently ignore any errors in ~/.op-test-framework.conf
and assume it contained nothing. This can be a little suprising.

Signed-off-by: Oliver O'Halloran <3dfaff8fa6ae977f042064a112a6aac576279b9b@gmail.com>

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