Kernel module unloads are not tested

[basak-qcom]

I came across qualcomm/fastrpc#310 yesterday. Presumably this isn't an area being tested. Please could we have tests such that we ensure that all kernel modules that Qualcomm works on do correctly unload and re-load without crashing, so that once fixed this does not regress?

[smuppand]

@basak-qcom Thank you for your request. We will add a new test to ensure that the specified modules can be unloaded and reloaded without causing any crashes.