doc: Improve readme.

6 jobs for 350-improve-readme in 4 seconds (queued for 23 seconds)
Status Job ID Name Coverage
  Precheck
canceled #51942
triggered
check_component

00:00:04

 
  Build
canceled #51945
triggered
build_doc

canceled #51944
triggered
build_driver

canceled #51943
triggered
build_ip_and_tests

canceled #51946
triggered
build_linux_driver

 
  Test
canceled #51947
triggered
test_ip_fast