examples/testcase/kernel: fix build error on tc_libc_misc.c
examples/testcase/kernel: fix build error on tc_libc_misc.c

llvdbg is valid when CONFIG_DEBUG_VERBOSE is enabled.
But that tc is not under proper conditional.
Let's move it under proper conditional to resolve the build break.

CC:  le_tc/kernel/tc_libc_misc.c
le_tc/kernel/tc_libc_misc.c: In function 'tc_libc_misc_llvdbg':
le_tc/kernel/tc_libc_misc.c:363:30: error: expected expression before ';' token
  ret_chk = llvdbg("Examples");
                              ^
make[2]: *** [tc_libc_misc.o] Error 1

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

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