The enum `adreno_rb_dither_mode` needs 2 bits, change the `high` to 13 to make sure 2 bits are used for `DITHER_MODE_MRT6`
Fixes:
e03259974e2f2c8e8c0295f8dab56d88e7bd896c ("freedreno: Generate headers from xml files")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25439>
<bitfield name="DITHER_MODE_MRT3" low="6" high="7" type="adreno_rb_dither_mode"/>
<bitfield name="DITHER_MODE_MRT4" low="8" high="9" type="adreno_rb_dither_mode"/>
<bitfield name="DITHER_MODE_MRT5" low="10" high="11" type="adreno_rb_dither_mode"/>
- <bitfield name="DITHER_MODE_MRT6" low="12" high="12" type="adreno_rb_dither_mode"/>
+ <bitfield name="DITHER_MODE_MRT6" low="12" high="13" type="adreno_rb_dither_mode"/>
<bitfield name="DITHER_MODE_MRT7" low="14" high="15" type="adreno_rb_dither_mode"/>
</reg32>
<reg32 offset="0x880f" name="RB_SRGB_CNTL" usage="rp_blit">