phy: qualcomm: phy-qcom-eusb2-repeater: Add tuning overrides

[ Upstream commit 56156a76 ]

There are devices in the wild, like the Sony Xperia 1 V that *require*
different tuning than the base design for USB to work.

Add support for overriding the necessary tuning values.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230830-topic-eusb2_override-v2-4-7d8c893d93f6@linaro.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Stable-dep-of: 734550d6 ("phy: qualcomm: eusb2-repeater: Rework init to drop redundant zero-out loop")
Signed-off-by: Sasha Levin <sashal@kernel.org>