Apply clang-format on repository

Code is formatted as per a revised clang format configuration
file(not part of this delivery). Version 14.0.6 is used.

Exclusion List:
- files with .cl extension
- files that are not strictly C/C++ (e.g. Android.bp, Sconscript ...)
And the following directories
- compute_kernel_writer/validation/
- tests/
- include/
- src/core/NEON/kernels/convolution/
- src/core/NEON/kernels/arm_gemm/
- src/core/NEON/kernels/arm_conv/
- data/

There will be a follow up for formatting of .cl files and the
files under tests/ and compute_kernel_writer/validation/.

Signed-off-by: Felix Thomasmathibalan <felixjohnny.thomasmathibalan@arm.com>
Change-Id: Ib7eb1fcf4e7537b9feaefcfc15098a804a3fde0a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10391
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
diff --git a/src/core/utils/StringUtils.cpp b/src/core/utils/StringUtils.cpp
index 6d05c9b..bcab0ce 100644
--- a/src/core/utils/StringUtils.cpp
+++ b/src/core/utils/StringUtils.cpp
@@ -55,7 +55,7 @@
     ss.precision(std::numeric_limits<float>::max_digits10);
     ss << val;
 
-    if(val != static_cast<int>(val))
+    if (val != static_cast<int>(val))
     {
         ss << "f";
     }
@@ -65,17 +65,11 @@
 
 std::string join(const std::vector<std::string> strings, const std::string &sep)
 {
-    if(strings.empty())
+    if (strings.empty())
     {
         return "";
     }
-    return std::accumulate(
-               std::next(strings.begin()),
-               strings.end(),
-               strings.at(0),
-               [&sep](const std::string & a, const std::string & b)
-    {
-        return a + sep + b;
-    });
+    return std::accumulate(std::next(strings.begin()), strings.end(), strings.at(0),
+                           [&sep](const std::string &a, const std::string &b) { return a + sep + b; });
 }
-}
+} // namespace arm_compute