qcacld-3.0: Add macro for partial offload regulatory

Add macro WLAN_REG_PARTIAL_OFFLOAD to support
partial offload regulatory.

Change-Id: Ie53851c72645a16b86e877255328e8d7a5675c63
CRs-Fixed: 3114560

Kbuild

@@ -3002,6 +3002,7 @@ cppflags-$(CONFIG_WLAN_RESIDENT_DRIVER) += -DFEATURE_WLAN_RESIDENT_DRIVER
 cppflags-$(CONFIG_FEATURE_GPIO_CFG) += -DWLAN_FEATURE_GPIO_CFG
 cppflags-$(CONFIG_FEATURE_BUS_BANDWIDTH_MGR) += -DFEATURE_BUS_BANDWIDTH_MGR
 cppflags-$(CONFIG_DP_BE_WAR) += -DDP_BE_WAR
+cppflags-y += -DWLAN_REG_PARTIAL_OFFLOAD
 
 ifeq ($(CONFIG_IPCIE_FW_SIM), y)
 cppflags-y += -DCONFIG_PLD_IPCIE_FW_SIM