staging:sm750fb:ddk750_chip.c Adds braces to last arm of statement

Fixes absence of braces on last arm of statement, identified by
checkpatch

Signed-off-by: Scott Matheina <scott@matheina.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_chip.c

@@ -25,8 +25,9 @@ void sm750_set_chip_type(unsigned short devId, u8 revId)
 			chip = SM750LE;
 			pr_info("found sm750le\n");
 		}
-	} else
+	} else {
 		chip = SM_UNKNOWN;
+	}
 }
 
 static unsigned int get_mxclk_freq(void)