qcacld-3.0: Fix format build error

This fixes below build error.

format '%lu' expects argument of type 'long unsigned int',
but argument 6 has type 'unsigned int' [-Werror=format=]

Change-Id: I54b2e171ab5c7799af3e23a5d1fd8d4cb3034983
CRs-Fixed: 2344741
1 file changed