spi: omap-uwire: Ensure devm_ioremap() is prototyped

Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c
index cbf67f9..8eabbdb 100644
--- a/drivers/spi/spi-omap-uwire.c
+++ b/drivers/spi/spi-omap-uwire.c
@@ -41,6 +41,7 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/slab.h>
+#include <linux/device.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>