qcacld-3.0: Adding flag for LFR enablement

Adding a define for DP_LFR flag to compile the LFR changes.

Change-Id: I2ae9ccc3f9b12125fd1ab274087ee75bf7f2eb60
CRs-Fixed: 2023446

Kbuild

@@ -2035,6 +2035,7 @@ CDEFINES += -DQCA_WIFI_QCA8074_VP
 CDEFINES += -DDP_INTR_POLL_BASED
 CDEFINES += -DTX_PER_PDEV_DESC_POOL
 CDEFINES += -DWLAN_RX_HASH
+CDEFINES += -DDP_LFR
 endif
 
 ifeq ($(CONFIG_WLAN_FEATURE_11AX),y)