qcacld-3.0: Resolve ipa compilation issue

Resolve ipa compilation issue for targets with config
ipa unified api enable and have kernel version 4.9.

Change-Id: Ibf7c51e32850024ceeb154f18a272044482af5ba
CRs-Fixed: 2422172
diff --git a/Kbuild b/Kbuild
index bc16e08..8cf127b 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2233,9 +2233,11 @@
 #Enable Checksum Offload support
 cppflags-$(CONFIG_CHECKSUM_OFFLOAD) += -DCHECKSUM_OFFLOAD
 
-#Enable Checksum Offload support
+#Enable IPA Offload support
 cppflags-$(CONFIG_IPA_OFFLOAD) += -DIPA_OFFLOAD
 
+cppflags-$(CONFIG_WDI3_IPA_OVER_GSI) += -DIPA_WDI3_GSI
+
 ifeq ($(CONFIG_ARCH_SDX20), y)
 cppflags-y += -DSYNC_IPA_READY
 endif