iris: Support dri-conf dri always_flush_batch

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
23 jobs for !4618 with iris-always_flush_batch
latest detached
Status Job ID Name Coverage
  Container
manual arm_build #2328764
aarch64 manual
manual arm_test #2328765
aarch64 manual
manual windows_build_vs2019 #2328766
windows shell 1809 mesa manual
manual x86_build #2328760
manual
manual x86_build_old #2328763
manual
manual x86_test-gl #2328761
manual
manual x86_test-vk #2328762
manual
 
  Meson X86 64
created meson-clang #2328770
created meson-classic #2328769
created meson-clover #2328771
created meson-clover-old-llvm #2328772
created meson-gallium #2328768
created meson-testing #2328767
created meson-vulkan #2328773
 
  Scons
created scons-win64 #2328774
allowed to fail
 
  Meson Misc
created meson-arm64 #2328776
aarch64
created meson-arm64-build-test #2328777
aarch64
created meson-armhf #2328775
aarch64
created meson-i386 #2328779
created meson-mingw32-x86_64 #2328782
created meson-ppc64el #2328781
kvm
created meson-s390x #2328780
kvm
created meson-windows-vs2019 #2328778
windows docker 1809 mesa