Lcov is disable for clang due to being time-consuming. This patch
enabled it for fuzzer only. `llvm-gcov.sh` is a wrapper for llvm-cov
Signed-off-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com>
Change-Id: I96ef6ad4fc4ecb92b063070fd2410ca88209f5b7
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15356
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
