Use /dev/occ instead of /dev/occfifo

Initially, the occ fifo devices were named as /dev/occfifo1..N
but it has been renamed to /dev/occ1..N.

Fixes openbmc/openbmc#1696

Change-Id: Ibf37cc3f61a85a46accd678a55e1b2b6019bd6e5
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/occ_pass_through.hpp b/occ_pass_through.hpp
index 928a29c..070e371 100644
--- a/occ_pass_through.hpp
+++ b/occ_pass_through.hpp
@@ -72,7 +72,7 @@
          *  occ1 --> /dev/occfifo2
          *  ...
          */
-        std::string devicePath = "/dev/occfifo";
+        std::string devicePath = "/dev/occ";
 
         /** @brief File descriptor manager */
         FileDescriptor fd;