ArmPlatformPkg: move internal SP805 header into driver directory

Move the internal SP805 watchdog header file into the driver directory.
It shouldn't be referenced directly by other modules anyway.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c

@@ -25,7 +25,8 @@
 #include <Library/UefiLib.h>
 
 #include <Protocol/WatchdogTimer.h>
-#include <Drivers/SP805Watchdog.h>
+
+#include "SP805Watchdog.h"
 
 EFI_EVENT                           EfiExitBootServicesEvent = (EFI_EVENT)NULL;