Move delay after enabling RF power to rad1o-specific code.

firmware/common/hackrf_core.c

@@ -931,6 +931,9 @@ void disable_rf_power(void)
 void enable_rf_power(void)
 {
 	gpio_set(&gpio_vaa_enable);
+
+	/* Let the voltage stabilize */
+	delay(1000000);
 }
 
 void disable_rf_power(void)

firmware/hackrf_usb/hackrf_usb.c

@@ -231,9 +231,6 @@ int main(void)
 	enable_1v8_power();
 #if (defined HACKRF_ONE || defined RAD1O)
 	enable_rf_power();
-
-	/* Let the voltage stabilize */
-	delay(1000000);
 #endif
 	cpu_clock_init();