rtc: goldfish: allow building on more than MIPS

Goldfish can be ARM or x86, allow building the driver for more than just
MIPS.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/Kconfig

@@ -1857,7 +1857,8 @@ config RTC_DRV_HID_SENSOR_TIME
 
 config RTC_DRV_GOLDFISH
 	tristate "Goldfish Real Time Clock"
-	depends on MIPS && (GOLDFISH || COMPILE_TEST)
+	depends on OF && HAS_IOMEM
+	depends on GOLDFISH || COMPILE_TEST
 	help
 	  Say yes to enable RTC driver for the Goldfish based virtual platform.
 

drivers/rtc/rtc-goldfish.c

@@ -16,6 +16,7 @@
 
 #include <linux/io.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>