drm/radeon/kms: add updated registers from drm-fixes.

Fixes up the DISCARD + 2 sided stencil in the new generator scripts.
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/reg_srcs/r300

@@ -708,6 +708,8 @@ r300 0x4f60
 0x4E80 RB3D_AARESOLVE_OFFSET
 0x4E84 RB3D_AARESOLVE_PITCH
 0x4E88 RB3D_AARESOLVE_CTL
+0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
+0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
 0x4F04 ZB_ZSTENCILCNTL
 0x4F08 ZB_STENCILREFMASK
 0x4F14 ZB_ZTOP

drivers/gpu/drm/radeon/reg_srcs/rs600

@@ -708,6 +708,8 @@ rs600 0x6d40
 0x4E80 RB3D_AARESOLVE_OFFSET
 0x4E84 RB3D_AARESOLVE_PITCH
 0x4E88 RB3D_AARESOLVE_CTL
+0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
+0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
 0x4F04 ZB_ZSTENCILCNTL
 0x4F08 ZB_STENCILREFMASK
 0x4F14 ZB_ZTOP

drivers/gpu/drm/radeon/reg_srcs/rv515

@@ -483,3 +483,4 @@ rv515 0x6d40
 0x4F50 ZB_HIZ_RDINDEX
 0x4F54 ZB_HIZ_PITCH
 0x4F58 ZB_ZPASS_DATA
+0x4FD4 ZB_STENCILREFMASK_BF