tools: Update unit-test related checks
Created by: tarek-arm
It should be possible to add multiple unit-test files for one module. Each file must be in a separate subdirectory under the module test directory. The tools checking for spacing, tabs, and copyright must consider this configuration.
Signed-off-by: Tarek El-Sherbiny tarek.el-sherbiny@arm.com Change-Id: If02db0f0c190736b193494109915eb6e0f8ec592