docs: Fix more broken references

docs: Fix more broken references

As we move stuff around, some doc references are broken. Fix some of
them via this script:
	./scripts/documentation-file-ref-check --fix

Manually checked that produced results are valid.

Acked-by: Matthias Brugger <[email protected]>
Acked-by: Takashi Iwai <[email protected]>
Acked-by: Jeff Kirsher <[email protected]>
Acked-by: Guenter Roeck <[email protected]>
Acked-by: Miguel Ojeda <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Acked-by: Jonathan Corbet <[email protected]>