qcacmn: Replace WIN/MCL from macro names

There are macro defined differenly for WIN and MCL
to pick up default INI value either for WIN or MCL.

The macro name uses WIN and MCL and also enabling the
right macro is controlled by CONFIG_MCL.

Replace the macro with CONFIG_AP_PLATFORM.

Change-Id: Ib5663532d45534cce1715ef06447116e2654e709
CRs-Fixed: 2484959

wlan_cfg/cfg_dp.h

@@ -469,7 +469,7 @@
 	"DP peer flow ctrl Enable")
 
 #define CFG_DP_NAPI \
-	CFG_INI_BOOL("dp_napi_enabled", MCL_OR_WIN_VALUE(true, false), \
+	CFG_INI_BOOL("dp_napi_enabled", PLATFORM_VALUE(true, false), \
 	"DP Napi Enabled")
 
 #define CFG_DP_TCP_UDP_CKSUM_OFFLOAD \