phy: st: miphy28lp: use _poll_timeout functions for waits

[ Upstream commit e3be4dd2c8d8aabfd2c3127d0e2e5754d3ae82d6 ]

This commit introduces _poll_timeout functions usage instead of
wait loops waiting for a status bit.

Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20230210224309.98452-1-avolmat@me.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>