media: ipu3-imgu: Fix firmware binary location

The firmware binary is located under "intel" directory in the
linux-firmware repository. Reflect this in the driver.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/ipu3/ipu3-css-fw.h

@@ -6,7 +6,7 @@
 
 /******************* Firmware file definitions *******************/
 
-#define IMGU_FW_NAME			"ipu3-fw.bin"
+#define IMGU_FW_NAME			"intel/ipu3-fw.bin"
 
 typedef u32 imgu_fw_ptr;