Think this should do it, not tested.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
#define rfkill_set_hw_state backport_rfkill_set_hw_state
#define rfkill_blocked backport_rfkill_blocked
+#define rfkill_get_led_trigger_name backport_rfkill_get_led_trigger_name
+#define rfkill_set_led_trigger_name backport_rfkill_set_led_trigger_name
+
#ifndef ERFKILL
#if !defined(CONFIG_ALPHA) && !defined(CONFIG_MIPS) && !defined(CONFIG_PARISC) && !defined(CONFIG_SPARC)
#define ERFKILL 132 /* Operation not possible due to RF-kill */