st/mesa: Map MESA_FORMAT_RGB_UNORM8 <-> PIPE_FORMAT_R8G8B8_UNORM

This is useful for PBO texture upload with GL_RGB and GL_UNSIGNED_BYTE.

v2: Vasily Khoruzhick provided an update for the Lima CI expectations.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
47 jobs for !2253 with rgb-pbo in 33 minutes and 3 seconds (queued for 6 seconds)
detached
Status Job ID Name Coverage
  Container
passed #795102
debian-10:amd64

00:00:27

passed #795104
aarch64
debian-10:arm64

00:00:18

passed #795103
debian-9:amd64

00:00:22

passed #795101
lava-container:arm64

00:00:21

passed #795100
lava-container:armhf

00:00:25

 
  Build
passed #795106
lava-build:arm64

00:05:19

passed #795105
lava-build:armhf

00:05:16

passed #795109
aarch64
meson-arm64

00:01:47

passed #795108
aarch64
meson-armhf

00:02:33

passed #795111
meson-clang

00:07:50

passed #795114
meson-clover

00:04:28

passed #795115
meson-clover-old-llvm

00:05:45

passed #795117
meson-i386

00:01:01

passed #795107
meson-main

00:02:56

passed #795118
meson-mingw32-x86_64

00:04:28

passed #795110
meson-swr-glvnd

00:06:02

passed #795116
meson-vulkan

00:02:02

passed #795119
scons

00:09:18

passed #795120
scons-old-llvm

00:07:23

passed #795112
scons-swr

00:05:38

passed #795113
scons-win64

00:02:47

 
  Test
passed #795143
db410c
arm64_a306_gles2 1/4

00:16:56

passed #795144
db410c
arm64_a306_gles2 2/4

00:17:52

passed #795145
db410c
arm64_a306_gles2 3/4

00:14:16

passed #795146
db410c
arm64_a306_gles2 4/4

00:04:09

passed #795132
mesa-cheza
arm64_a630_gles2

00:04:20

passed #795133
mesa-cheza
arm64_a630_gles31 1/4

00:04:08

passed #795134
mesa-cheza
arm64_a630_gles31 2/4

00:05:03

passed #795135
mesa-cheza
arm64_a630_gles31 3/4

00:04:46

passed #795136
mesa-cheza
arm64_a630_gles31 4/4

00:04:40

passed #795137
mesa-cheza
arm64_a630_gles3 1/6

00:03:36

passed #795138
mesa-cheza
arm64_a630_gles3 2/6

00:03:54

passed #795139
mesa-cheza
arm64_a630_gles3 3/6

00:03:28

passed #795140
mesa-cheza
arm64_a630_gles3 4/6

00:03:46

passed #795141
mesa-cheza
arm64_a630_gles3 5/6

00:03:47

passed #795142
mesa-cheza
arm64_a630_gles3 6/6

00:04:02

passed #795121
lava-rk3288-veyron-jaq
panfrost-t760-test:armhf

00:10:05

passed #795122
lava-rk3399-gru-kevin
panfrost-t860-test:arm64

00:08:43

passed #795123
test-llvmpipe-gles2 1/4

00:04:02

passed #795124
test-llvmpipe-gles2 2/4

00:04:18

passed #795125
test-llvmpipe-gles2 3/4

00:03:55

passed #795126
test-llvmpipe-gles2 4/4

00:04:02

passed #795127
test-softpipe-gles2 1/4

00:01:44

passed #795128
test-softpipe-gles2 2/4

00:01:52

passed #795129
test-softpipe-gles2 3/4

00:01:38

passed #795130
test-softpipe-gles2 4/4

00:01:40

passed #795131
test-softpipe-gles3-limited

00:05:46