media: atomisp: remove compile-time tests from input_system_global.h

Now that there's no duplication between ISP2400 and ISP2401
input system functions, we can include both at the system
global.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/atomisp/pci/input_system_global.h

@@ -24,10 +24,7 @@ typedef enum {
 	INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED,
 } input_system_err_t;
 
-#ifdef ISP2401
-#  include "isp2401_input_system_global.h"
-#else
-#  include "isp2400_input_system_global.h"
-#endif
+#include "isp2401_input_system_global.h"
+#include "isp2400_input_system_global.h"
 
 #endif /* __INPUT_SYSTEM_GLOBAL_H_INCLUDED__ */