uio: pruss: Add CONFIG_HAS_IOMEM dependence

uio_pruss uses io memory, that should be explicitly depend on it
Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/uio/Kconfig

@@ -128,6 +128,7 @@ config UIO_PRUSS
 	tristate "Texas Instruments PRUSS driver"
 	depends on ARCH_DAVINCI_DA850
 	select GENERIC_ALLOCATOR
+	depends on HAS_IOMEM
 	help
 	  PRUSS driver for OMAPL138/DA850/AM18XX devices
 	  PRUSS driver requires user space components, examples and user space