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dts:dual-espresso: Add missing SD-Card pinctrl

Felix Gerking requested to merge DP_limit_SD-Card_speed into linux-5.15.32-seco
  • Added pin muxing for the default, 100MHz and 200MHz speeds
  • Set drive strength to DSE_X1 for default and DSE_X2 for 100/200 MHz
  • Disable the pinctrl for 200MHz and limit the speed to 50MHz due to EMI.
  • The pinctrl for 100MHz needs to be in place to allow for 50MHz DDR50 modes.
Edited by Clemens Terasa

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