goldfish: Add missing includes to goldfish.h

goldfish.h refers to external symbols such as
dma_addr_t and writel. This causes compilation errors
if this file is included before other header files.

The mentioned symbols are defined in types.h (dma_addr_t)
and io.h (writel).
Signed-off-by: NRoman Kiryanov <rkir@google.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/goldfish.h

@@ -2,6 +2,9 @@
 #ifndef __LINUX_GOLDFISH_H
 #define __LINUX_GOLDFISH_H
 
+#include <linux/types.h>
+#include <linux/io.h>
+
 /* Helpers for Goldfish virtual platform */
 
 static inline void gf_write_ptr(const void *ptr, void __iomem *portl,