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>