main/mesa: disable rgb10 by default

This fixes very weird graphical bugs in XWayland applications using
hardware acceleration.

fixes #11367
7 jobs for !6513 with mesa in 30 seconds
detached
Status Job ID Name Coverage
  Lint
failed #87801
x86_64 docker-alpine allowed to fail
lint

00:00:14

 
  Build
failed #87806
aarch64 ci-build docker-alpine
build-aarch64

00:00:15

failed #87807
armv7 ci-build docker-alpine
build-armv7

00:00:08

failed #87805
ppc64le ci-build docker-alpine
build-ppc64le

00:00:10

failed #87804
s390x ci-build docker-alpine
build-s390x

00:00:10

failed #87803
x86 ci-build docker-alpine
build-x86

00:00:08

failed #87802
x86_64 ci-build docker-alpine
build-x86_64

00:00:09

 
Name Stage Failure
failed
build-aarch64 Build
No job log
failed
build-s390x Build
No job log
failed
build-ppc64le Build
No job log
failed
build-armv7 Build
No job log
failed
build-x86 Build
No job log
failed
build-x86_64 Build
No job log
failed
lint Lint
No job log