qcacld-3.0: Add a sysfs replacement for setMonChan

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

file path: /sys/class/net/wlanxx/set_mon_chan
	wlanxx is adapter name

example: echo 1 1 > set_mon_chan

Change-Id: Id7d21b23129fdf6e37c99924ad91a19e3c03a0d2
CRs-Fixed: 2678501

Kbuild

@@ -291,6 +291,9 @@ endif
 ifeq ($(CONFIG_WLAN_SET_SCAN_CFG), y)
 HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_set_scan_cfg.o
 endif
+ifeq ($(CONFIG_WLAN_SET_MON_CHAN), y)
+HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_set_mon_chan.o
+endif
 endif
 
 ifeq ($(CONFIG_QCACLD_FEATURE_FW_STATE), y)
@@ -2523,6 +2526,7 @@ cppflags-$(CONFIG_WLAN_SCAN_DISABLE) += -DCONFIG_WLAN_SCAN_DISABLE
 cppflags-$(CONFIG_WLAN_WOW_ITO) += -DCONFIG_WLAN_WOW_ITO
 cppflags-$(CONFIG_WLAN_WOWL_ADD_PTRN) += -DCONFIG_WLAN_WOWL_ADD_PTRN
 cppflags-$(CONFIG_WLAN_SET_SCAN_CFG) += -DCONFIG_WLAN_SET_SCAN_CFG
+cppflags-$(CONFIG_WLAN_SET_MON_CHAN) += -DCONFIG_WLAN_SET_MON_CHAN
 cppflags-$(CONFIG_FEATURE_UNIT_TEST_SUSPEND) += -DWLAN_SUSPEND_RESUME_TEST
 cppflags-$(CONFIG_FEATURE_WLM_STATS) += -DFEATURE_WLM_STATS