Build the GPIO HAL for CC13xx/CC26xx

arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx

@@ -32,7 +32,7 @@ CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c soc-rtc.c uart.c
 CONTIKI_CPU_SOURCEFILES += contiki-watchdog.c aux-ctrl.c
 CONTIKI_CPU_SOURCEFILES += putchar.c ieee-addr.c batmon-sensor.c adc-sensor.c
 CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c cc26xx-uart.c lpm.c
-CONTIKI_CPU_SOURCEFILES += gpio-interrupt.c oscillators.c
+CONTIKI_CPU_SOURCEFILES += gpio-interrupt.c gpio-hal-arch.c oscillators.c
 CONTIKI_CPU_SOURCEFILES += rf-core.c rf-ble.c ieee-mode.c
 CONTIKI_CPU_SOURCEFILES += random.c soc-trng.c int-master.c