uio: pruss: Include <linux/sizes.h>

uio_pruss references SZ_16K and SZ_256K defines, but linux/sizes.h is not included.

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index 818735b..ca9e2fa 100644
--- a/drivers/uio/uio_pruss.c
+++ b/drivers/uio/uio_pruss.c
@@ -24,6 +24,7 @@
 #include <linux/io.h>
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
+#include <linux/sizes.h>
 #include <linux/slab.h>
 #include <linux/genalloc.h>