Global variables have been moved backward ahead of functions.

Only a few cases were left due to its module structure.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6816 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c

@@ -36,6 +36,15 @@ USB_PORT_STATE_MAP  mUsbPortChangeMap[] = {
   {PORTSC_OVERCUR_CHANGE, USB_PORT_STAT_C_OVERCURRENT}
 };
 
+EFI_DRIVER_BINDING_PROTOCOL
+gEhciDriverBinding = {
+  EhcDriverBindingSupported,
+  EhcDriverBindingStart,
+  EhcDriverBindingStop,
+  0x10,
+  NULL,
+  NULL
+};
 
 /**
   Retrieves the capablility of root hub ports.
@@ -1731,12 +1740,3 @@ EhcDriverBindingStop (
   return EFI_SUCCESS;
 }
 
-EFI_DRIVER_BINDING_PROTOCOL
-gEhciDriverBinding = {
-  EhcDriverBindingSupported,
-  EhcDriverBindingStart,
-  EhcDriverBindingStop,
-  0x10,
-  NULL,
-  NULL
-};