PHAL: Use fmt::join to log uint8_t array

Fix the compilation issue generated due to stricter type check
with in the library

Signed-off-by: Deepakala <deepakala.karthikeyan@ibm.com>
Change-Id: I25fcd55c8a2fbd787ea1af57a7d4e5360c30b415
diff --git a/extensions/phal/phal_error.cpp b/extensions/phal/phal_error.cpp
index f9869a3..b01985f 100644
--- a/extensions/phal/phal_error.cpp
+++ b/extensions/phal/phal_error.cpp
@@ -168,9 +168,9 @@
                                    &targetInfo);
     if (ret == 0)
     {
-        log<level::ERR>(fmt::format("Given ATTR_PHYS_BIN_PATH value({}) "
+        log<level::ERR>(fmt::format("Given ATTR_PHYS_BIN_PATH value({:02x}) "
                                     "not found in phal device tree",
-                                    targetInfo.physBinPath)
+                                    fmt::join(targetInfo.physBinPath, ""))
                             .c_str());
         return false;
     }