lrdp-v2: setting kimage_voffset to null

        In case of 32bit ramdump kimage_voffset will not be used in ramparser.
        In upstream kernel 4.14 this variable got added and set to some address.
        Due to that in case of 32 bit all calculation went worng. So forcefully setting to null if it is 32 bit dump

Change-Id: Ia341074ebfd0811543cc3a2e77d2b23ade43d520

linux-ramdump-parser-v2/ramdump.py

@@ -627,11 +627,14 @@ class RamDump():
             modules_vsize
         self.kimage_vaddr = self.kimage_vaddr + self.get_kaslr_offset()
         self.modules_end = self.page_offset
+        if self.arm64:
             self.kimage_voffset = self.address_of("kimage_voffset")
             if self.kimage_voffset is not None:
                 self.kimage_voffset = self.kimage_vaddr - self.phys_offset
                 self.modules_end = self.kimage_vaddr
                 print_out_str("The kimage_voffset extracted is: {:x}".format(self.kimage_voffset))
+        else:
+            self.kimage_voffset = None
 
         # The address of swapper_pg_dir can be used to determine
         # whether or not we're running with LPAE enabled since an