Fix spelling in comments

multifuction -> multifunction
successfull -> successful.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
diff --git a/hw/pci.c b/hw/pci.c
index 6d0934d..1280d4d 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -604,7 +604,7 @@
     }
 
     /*
-     * multifuction bit is interpreted in two ways as follows.
+     * multifunction bit is interpreted in two ways as follows.
      *   - all functions must set the bit to 1.
      *     Example: Intel X53
      *   - function 0 must set the bit, but the rest function (> 0)