hv: treewide: fix 'Use of function like macro'

- convert function like macros to inline functions based on MISRA-C
  requirement
- remove some unused and duplicated macros

Tracked-On: #861
Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>

hypervisor/include/lib/util.h

@@ -7,14 +7,6 @@
 #ifndef UTIL_H
 #define UTIL_H
 
-/** Add an offset (in bytes) to an (base)address.
- *
- *  @param  addr Baseaddress
- *  @param  off  Offset
- *  @return Returns baseaddress + offset in bytes.
- */
-#define ADD_OFFSET(addr, off) (void *)(((uint8_t *)(addr))+(off))
-
 #define offsetof(st, m) __builtin_offsetof(st, m)
 
 /** Roundup (x/y) to ( x/y + (x%y) ? 1 : 0) **/