savevm: Remove all the unneeded version_minimum_id_old (arm)

After commit 767adce2d, they are redundant.  This way we don't assign them
except when needed.  Once there, there were lots of cases where the ".fields"
indentation was wrong:

     .fields = (VMStateField []) {
and
     .fields =      (VMStateField []) {

Change all the combinations to:

     .fields = (VMStateField[]){

The biggest problem (apart from aesthetics) was that checkpatch complained
when we copy&pasted the code from one place to another.

Signed-off-by: Juan Quintela <quintela@redhat.com>
[PMM: fixed minor conflict, corrected commit message typos]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/timer/imx_gpt.c b/hw/timer/imx_gpt.c
index f2d1975..56ee4db 100644
--- a/hw/timer/imx_gpt.c
+++ b/hw/timer/imx_gpt.c
@@ -146,8 +146,7 @@
     .name = "imx.gpt",
     .version_id = 3,
     .minimum_version_id = 3,
-    .minimum_version_id_old = 3,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(cr, IMXGPTState),
         VMSTATE_UINT32(pr, IMXGPTState),
         VMSTATE_UINT32(sr, IMXGPTState),