i965: handle platforms without a HW detiler

Platforms without a HW detiler don't support the get_tiling ioctl.
In these cases, let's just return I915_TILING_NONE/I915_BIT_6_SWIZZLE_NONE.

Signed-off-by: Eric Engestrom <eric@engestrom.ch>
39 jobs for !3497 with intel-get_tiling in 26 minutes and 58 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Container
passed #1415726
aarch64
arm_build

00:00:18

passed #1415727
aarch64
arm_test

00:00:19

passed #1415723
x86_build

00:00:21

passed #1415725
x86_build_old

00:00:25

passed #1415724
x86_test-gl

00:00:24

 
  Build
passed #1415731
aarch64
meson-arm64

00:11:37

passed #1415730
aarch64
meson-armhf

00:11:02

passed #1415732
meson-clang

00:07:30

passed #1415735
meson-clover

00:07:28

passed #1415736
meson-clover-old-llvm

00:04:08

passed #1415738
meson-i386

00:04:17

passed #1415729
meson-main

00:07:33

passed #1415739
meson-mingw32-x86_64

00:04:41

passed #1415728
meson-testing

00:05:37

passed #1415737
meson-vulkan

00:04:42

passed #1415740
scons

00:05:38

passed #1415741
scons-old-llvm

00:05:57

passed #1415733
scons-swr

00:08:49

passed #1415734
scons-win64

00:06:17

 
  Test
passed #1415759
db410c
arm64_a306_gles2

00:06:09

passed #1415756
mesa-cheza
arm64_a630_gles2

00:01:44

passed #1416422
mesa-cheza
arm64_a630_gles3

00:06:28

passed #1415757
mesa-cheza
arm64_a630_gles31

00:04:26

passed #1415742
lava-sun50i-h6-pine-h64
panfrost-t720-test:arm64

00:08:27

passed #1415743
lava-rk3288-veyron-jaq
panfrost-t760-test:armhf

00:05:14

passed #1415744
lava-rk3399-gru-kevin
panfrost-t860-test:arm64

00:05:27

passed #1415746
piglit-glslparser

00:04:31

passed #1415745
piglit-quick_gl

00:09:26

passed #1415747
piglit-quick_shader

00:05:47

passed #1415748
test-llvmpipe-gles2

00:04:12

passed #1415749
test-softpipe-gles2

00:01:41

passed #1415752
test-softpipe-gles31 1/4

00:02:03

passed #1415750
test-softpipe-gles3 1/2

00:05:15

passed #1415753
test-softpipe-gles31 2/4

00:04:17

passed #1415754
test-softpipe-gles31 3/4

00:04:55

passed #1415755
test-softpipe-gles31 4/4

00:02:24

passed #1415751
test-softpipe-gles3 2/2

00:03:32

failed #1415758
mesa-cheza
arm64_a630_gles3

00:06:18

 
  External
passed continuous-integration/appveyor/branch