ArmPkg/ArmLib: Clean ArmV7Lib

- Move the non specific ArmV7 functions to ArmLib.
- Clean the ARM Platform common components to not depend on ArmV7 if not required



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12453 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c

@@ -235,13 +235,3 @@ ArmCleanDataCache (
   ArmV7DataCacheOperation (ArmCleanDataCacheEntryBySetWay);
 }
 
-VOID
-EFIAPI
-ArmSetAuxCrBit (
-  IN  UINT32    Bits
-  )
-{
-  UINT32 val = ArmReadAuxCr();
-  val |= Bits;
-  ArmWriteAuxCr(val);
-}