staging: sm750fb: remove unused DE_STATE2_DE_RESERVED

Definition of reserved fields in a register is not interesting
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_reg.h

@@ -9,9 +9,6 @@
 #define DE_STATE2_DE_FIFO_EMPTY                          BIT(3)
 #define DE_STATE2_DE_STATUS_BUSY                         BIT(2)
 #define DE_STATE2_DE_MEM_FIFO_EMPTY                      BIT(1)
-#define DE_STATE2_DE_RESERVED                            0:0
-
-
 
 #define SYSTEM_CTRL                                   0x000000
 #define SYSTEM_CTRL_DPMS                              31:30