crypto: cavium/nitrox - Change in firmware path.

Moved the firmware to "cavium" subdirectory as suggested by
Kyle McMartin.
Signed-off-by: NSrikanth Jampala <Jampala.Srikanth@cavium.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/cavium/nitrox/nitrox_main.c

@@ -18,8 +18,9 @@
 #define SE_GROUP 0
 
 #define DRIVER_VERSION "1.0"
+#define FW_DIR "cavium/"
 /* SE microcode */
-#define SE_FW	"cnn55xx_se.fw"
+#define SE_FW	FW_DIR "cnn55xx_se.fw"
 
 static const char nitrox_driver_name[] = "CNN55XX";