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
diff --git a/Kbuild b/Kbuild
index 316c6b9..a6d7320 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2035,6 +2035,7 @@
 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)