bus/fslmc: fix debug build
bus/fslmc: fix debug build

Fixes: 9ccb76b24c1d ("bus/fslmc: enable portal interrupt handling")

Signed-off-by: Hemant Agrawal <90d96ef1ecd8ed49b97c7897be950e80824a9c5c@nxp.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk