qcacmn: Cleanup CONFIG_MCL for qdf_mem.c

Remove CONFIG_MCL and include the header file for both MCL and
WIN code since this feature is already handled by the feature macro
FEATURE_WLAN_DIAG_SUPPORT.

Change-Id: I4d4ed46ed5cb62950bb8b25af0a173bfe5f86474
CRs-Fixed: 2399386
1 file changed