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/Overlay.cpp b/src/Overlay.cpp
index 6b12ab6..d5ddb69 100644
--- a/src/Overlay.cpp
+++ b/src/Overlay.cpp
@@ -111,8 +111,8 @@
     const std::vector<std::experimental::filesystem::path> &i2cDevsBefore)
 {
     std::vector<std::experimental::filesystem::path> i2cDevsAfter;
-    find_files(std::experimental::filesystem::path(I2C_DEVS_DIR),
-               R"(i2c-\d+)", i2cDevsAfter, 0);
+    findFiles(std::experimental::filesystem::path(I2C_DEVS_DIR),
+              R"(i2c-\d+)", i2cDevsAfter);
 
     for (const auto &dev : i2cDevsAfter)
     {
@@ -222,8 +222,8 @@
     auto findMux = MUX_TYPES.find(type);
     if (findMux != MUX_TYPES.end())
     {
-        find_files(std::experimental::filesystem::path(I2C_DEVS_DIR),
-                   R"(i2c-\d+)", i2cDevsBefore, 0);
+        findFiles(std::experimental::filesystem::path(I2C_DEVS_DIR),
+                  R"(i2c-\d+)", i2cDevsBefore);
     }
 
     // compile dtbo and load overlay
@@ -257,8 +257,8 @@
 {
 
     std::vector<std::experimental::filesystem::path> paths;
-    if (!find_files(std::experimental::filesystem::path(TEMPLATE_DIR),
-                    R"(.*\.template)", paths, 0))
+    if (!findFiles(std::experimental::filesystem::path(TEMPLATE_DIR),
+                   R"(.*\.template)", paths))
     {
         std::cerr << "Unable to find any tempate files in " << TEMPLATE_DIR
                   << "\n";