testcase/kernel: remove a KERNEL_TEST_DRV dependancy
testcase/kernel: remove a KERNEL_TEST_DRV dependancy

To test kernel, KERNEL_TEST_DRV config is not mandatory.
Let's remove "select KERNEL_TEST_DRV"

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

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