Code refactoring

Moved all the constants to const.hpp and utility method to
utils.cpp/hpp.
Removed file ibm_vpd_type_check.cpp/hpp and keyword_vpd_types.hpp.

Signed-off-by: SunnySrivastava1984 <sunnsr25@in.ibm.com>
Change-Id: Ie7b54e6fd03a499fab7c3124e17292c6d525e471
diff --git a/utils.cpp b/utils.cpp
index 6002b9c..24d7b4c 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -11,7 +11,7 @@
 {
 namespace vpd
 {
-
+using namespace openpower::vpd::constants;
 namespace inventory
 {
 
@@ -68,7 +68,35 @@
 
 } // namespace inventory
 
-using namespace openpower::vpd::constants;
+vpdType vpdTypeCheck(const Binary& vpdVector)
+{
+    // Read first 3 Bytes to check the 11S bar code format
+    std::string is11SFormat = "";
+    for (uint8_t i = 0; i < FORMAT_11S_LEN; i++)
+    {
+        is11SFormat += vpdVector[MEMORY_VPD_DATA_START + i];
+    }
+
+    if (vpdVector[IPZ_DATA_START] == KW_VAL_PAIR_START_TAG)
+    {
+        // IPZ VPD FORMAT
+        return vpdType::IPZ_VPD;
+    }
+    else if (vpdVector[KW_VPD_DATA_START] == KW_VPD_START_TAG)
+    {
+        // KEYWORD VPD FORMAT
+        return vpdType::KEYWORD_VPD;
+    }
+    else if (is11SFormat.compare(MEMORY_VPD_START_TAG) == 0)
+    {
+        // Memory VPD format
+        return vpdType::MEMORY_VPD;
+    }
+
+    // INVALID VPD FORMAT
+    return vpdType::INVALID_VPD_FORMAT;
+}
+
 LE2ByteData readUInt16LE(Binary::const_iterator iterator)
 {
     LE2ByteData lowByte = *iterator;