BaseTools: Collect DynamicHii PCD values and assign it to VPD PCD Value

https://bugzilla.tianocore.org/show_bug.cgi?id=661
Collect all DynamicHii and DynamicExHii PCD value into PCD
PcdNvStoreDefaultValueBuffer, then firmware can access this PCD value
to get the variable default setting.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Feng Bob C <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/Source/Python/Common/Misc.py

@@ -2201,6 +2201,29 @@ def BuildOptionPcdValueFormat(TokenSpaceGuidCName, TokenCName, PcdDatumType, Val
         elif Value == 'FALSE' or Value == '0':
             Value = '0'
     return  Value
+##  Get the integer value from string like "14U" or integer like 2
+#
+#   @param      Input   The object that may be either a integer value or a string
+#
+#   @retval     Value    The integer value that the input represents
+#
+def GetIntegerValue(Input):
+    if type(Input) in (int, long):
+        return Input
+    String = Input
+    if String.endswith("U"):
+        String = String[:-1]
+    if String.endswith("ULL"):
+        String = String[:-3]
+    if String.endswith("LL"):
+        String = String[:-2]
+
+    if String.startswith("0x") or String.startswith("0X"):
+        return int(String, 16)
+    elif String == '':
+        return 0
+    else:
+        return int(String)
 
 ##
 #