testcase/kernel: enable sem_setprotocol testcase always
testcase/kernel: enable sem_setprotocol testcase always

The sem_setprotocol is always available to use, but it works
differently with CONFIG_PRIORITY_INHERITANCE.
This commit removes covering the entire tc_semaphore_sem_setprotocol
with conditional and checks different return value.

Signed-off-by: sunghan-chang <c954e25285721d8faa8b1a5c1ae2ef5a35338d32@samsung.com>

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