radeonsi: fix centroid with VRS coarse shading

This has no effect on other shading. It should have been the default value.
39 jobs for !8726 with vrs-fix-centroid in 11 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Sanity
passed #6905273
sanity

00:00:11

 
  Container
manual #6905276
aarch64 manual
arm_build
manual #6905277
manual
arm_test-base
manual #6905278
windows shell 1809 mesa manual
windows_build_vs2019
manual #6905274
manual
x86_build-base
manual #6905275
manual
x86_test-base
 
  Container 2
created #6905286
android_build
created #6905289
arm64_test
created #6905290
armhf_test
created #6905283
i386_build
created #6905279
kernel+rootfs_amd64
created #6905280
aarch64
kernel+rootfs_arm64
created #6905281
aarch64
kernel+rootfs_armhf
created #6905284
ppc64el_build
created #6905285
s390x_build
created #6905282
x86_build
created #6905287
x86_test-gl
created #6905288
x86_test-vk
 
  Meson X86 64
created #6905296
meson-clang
created #6905297
meson-clover
created #6905293
meson-clover-testing
created #6905294
meson-gallium
created #6905295
meson-release
created #6905291
meson-testing
created #6905292
meson-testing-asan
created #6905298
meson-vulkan
 
  Build Misc
created #6905299
meson-android
created #6905301
aarch64
meson-arm64
created #6905302
aarch64
meson-arm64-build-test
created #6905300
aarch64
meson-armhf
created #6905304
meson-i386
created #6905307
meson-mingw32-x86_64
created #6905306
kvm
meson-ppc64el
created #6905305
kvm
meson-s390x
created #6905303
allowed to fail
scons-win64
 
  Amd
created #6905308
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-gles2:amd64
created #6905310
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-gles31:amd64
created #6905309
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-gles3:amd64
created #6905311
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-traces:amd64