drm/amd/display: Add a missing DCN401 reg definition

Add a mising reg field to the autogenerated header for future use

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Aurabindo Pillai

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_4_1_0_sh_mask.h

@@ -6199,10 +6199,12 @@
 #define DCHUBBUB_CTRL_STATUS__ROB_UNDERFLOW_STATUS__SHIFT                                                     0x1
 #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_STATUS__SHIFT                                                      0x2
 #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_CLEAR__SHIFT                                                       0x3
+#define DCHUBBUB_CTRL_STATUS__DCHUBBUB_HW_DEBUG__SHIFT                                                        0x4
 #define DCHUBBUB_CTRL_STATUS__CSTATE_SWATH_CHK_GOOD_MODE__SHIFT                                               0x1f
 #define DCHUBBUB_CTRL_STATUS__ROB_UNDERFLOW_STATUS_MASK                                                       0x00000002L
 #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_STATUS_MASK                                                        0x00000004L
 #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_CLEAR_MASK                                                         0x00000008L
+#define DCHUBBUB_CTRL_STATUS__DCHUBBUB_HW_DEBUG_MASK                                                          0x3FFFFFF0L
 #define DCHUBBUB_CTRL_STATUS__CSTATE_SWATH_CHK_GOOD_MODE_MASK                                                 0x80000000L
 //DCHUBBUB_TIMEOUT_DETECTION_CTRL1
 #define DCHUBBUB_TIMEOUT_DETECTION_CTRL1__DCHUBBUB_TIMEOUT_ERROR_STATUS__SHIFT                                0x0