Add HackRF One RF power enable for samples that RX or TX.

firmware/mixertx/mixertx.c

@@ -34,6 +34,9 @@ int main(void)
 
 	pin_setup();
 	enable_1v8_power();
+#ifdef HACKRF_ONE
+	enable_rf_power();
+#endif
 	cpu_clock_init();
 	ssp1_init();
 

firmware/sgpio-rx/sgpio-rx.c

@@ -92,6 +92,9 @@ int main(void) {
 
 	pin_setup();
 	enable_1v8_power();
+#ifdef HACKRF_ONE
+	enable_rf_power();
+#endif
 	cpu_clock_init();
     ssp1_init();
     rf_path_init();

firmware/simpletx/simpletx.c

@@ -33,6 +33,9 @@ int main(void)
 
 	pin_setup();
 	enable_1v8_power();
+#ifdef HACKRF_ONE
+	enable_rf_power();
+#endif
 	cpu_clock_init();
     ssp1_init();