Generate valid configs before removing invalid configs

Configs in "valid" list could also be included in "invalid" list.
The "invalid" list should have higher priority.
Generate valid configs before removing invalid configs,
which could avoid adding invalid configs from "valid" list.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I6786c705a09982aad47ee0a5dc4a8825b5e0d593
1 file changed