Simplify findFiles

In this repo there is no need for a recursive iterator,
fix style and make it a standard iterator.

Change-Id: I076c71f6b0baa4dc4b478b972bdb2fb6086d3ce6
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/FruDevice.cpp b/src/FruDevice.cpp
index 8ae27fb..99dd731 100644
--- a/src/FruDevice.cpp
+++ b/src/FruDevice.cpp
@@ -610,7 +610,7 @@
         auto matchString = std::string("i2c*");
         std::vector<fs::path> i2cBuses;
 
-        if (!find_files(devDir, matchString, i2cBuses, 0))
+        if (!findFiles(devDir, matchString, i2cBuses))
         {
             std::cerr << "unable to find i2c devices\n";
             return;
@@ -659,7 +659,7 @@
     auto matchString = std::string("i2c*");
     std::vector<fs::path> i2cBuses;
 
-    if (!find_files(devDir, matchString, i2cBuses, 0))
+    if (!findFiles(devDir, matchString, i2cBuses))
     {
         std::cerr << "unable to find i2c devices\n";
         return 1;