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Integrate u-boot-seco-imx/seco_lf_v2024.04_6.6.52_2.2.x-d18-usd-dev

Git Bot Service Account requested to merge u-boot-seco-imx/seco_lf_v2024.04_6.6.52_2.2.x-d18-usd-dev into scarthgap

Commit: clea-os/bsp/nxp/u-boot-seco-imx@dbd5847b

[D18][DT] usdhc2: increase drive-strength for uSD

The signal on some uSD seems to undershoot too much at 50MHz with the original drive-strength X1: increase it to X4, as X2 is also not sufficient.

As 100MHz is set to X2, increase it too to X4 to be safe.

Drive Strength as described in IMX8MPRM: 0x0 -> 00* == DSE_X1 - X1 0x4 -> 10* == DSE_X2 - X2 0x2 -> 01* == DSE_X4 - X4 0x6 -> 11* == DSE_X6 - X6

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