staging: brcm80211: remove ARP_OFFLOAD_SUPPORT macro definition

The conditional code for ARP offloading is now always enabled
in the fullmac driver.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/Makefile

@@ -16,7 +16,6 @@
 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 ccflags-y :=			\
-	-DARP_OFFLOAD_SUPPORT	\
 	-DBCMLXSDMMC		\
 	-DBCMPLATFORM_BUS	\
 	-DBCMSDIO		\

drivers/staging/brcm80211/brcmfmac/dhd_common.c

@@ -1283,12 +1283,10 @@ int brcmf_c_preinit_ioctls(dhd_pub_t *dhd)
 	brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME,
 			 (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
 
-#ifdef ARP_OFFLOAD_SUPPORT
 	/* Set and enable ARP offload feature */
 	if (brcmf_arp_enable)
 		brcmf_c_arp_offload_set(dhd, brcmf_arp_mode);
 	brcmf_c_arp_offload_enable(dhd, brcmf_arp_enable);
-#endif				/* ARP_OFFLOAD_SUPPORT */
 
 #ifdef PKT_FILTER_SUPPORT
 	{