qcacld-3.0: Add a sysfs replacemnet for wow_ito

As part of WEXT replacement, replace wow_ito with a sysfs file.

file path: /sys/kernel/wifi/wow_ito

example: echo 1 > wow_ito

Change-Id: I11cf9acfc4282b910145efa527682ab1738eaaa0
CRs-Fixed: 2680332

Kbuild

@@ -279,6 +279,9 @@ endif
 ifeq ($(CONFIG_WLAN_SCAN_DISABLE), y)
 HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_scan_disable.o
 endif
+ifeq ($(CONFIG_WLAN_WOW_ITO), y)
+HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_wow_ito.o
+endif
 endif
 
 ifeq ($(CONFIG_QCACLD_FEATURE_FW_STATE), y)
@@ -2508,6 +2511,7 @@ cppflags-$(CONFIG_WLAN_DEBUG_CRASH_INJECT) += -DCONFIG_WLAN_DEBUG_CRASH_INJECT
 cppflags-$(CONFIG_WLAN_SET_FW_MODE_CFG) += -DCONFIG_WLAN_SET_FW_MODE_CFG
 cppflags-$(CONFIG_WLAN_REASSOC) += -DCONFIG_WLAN_REASSOC
 cppflags-$(CONFIG_WLAN_SCAN_DISABLE) += -DCONFIG_WLAN_SCAN_DISABLE
+cppflags-$(CONFIG_WLAN_WOW_ITO) += -DCONFIG_WLAN_WOW_ITO
 cppflags-$(CONFIG_FEATURE_UNIT_TEST_SUSPEND) += -DWLAN_SUSPEND_RESUME_TEST
 cppflags-$(CONFIG_FEATURE_WLM_STATS) += -DFEATURE_WLM_STATS