[E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)

Increase drive-strength to 10 and add bias-pull-up as per Qualcomm suggestion. Let vreg_l6c_2v96 voltage switch between 3.3V and 1.8 Add reg_3v3_SDCARD as card power supply Use GPIO_91 as card detect

added BSPKernel E81 labels

requested review from @tobias.kahlki, @Karampeazis, @dietmar.muscholik, and @oleksii.kutuzov

assigned to @yuri.mazzuoli

added 21 commits

• e97971b4...64ea684f - 20 commits from branch seco_v6.6_QLI.1.3-Ver.1.1
• 5b563f70 - [E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)

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added 1 commit

• 39d7ba26 - [E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)

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added 1 commit

• 468a46d4 - [E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)

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resolved all threads

added 21 commits

• 468a46d4...64ea684f - 20 commits from branch seco_v6.6_QLI.1.3-Ver.1.1
• d55fb865 - [E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)

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approved this merge request

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• b7ed96df - [E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)

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reset approvals from @tobias.kahlki by pushing to the branch

added 2 commits

• 7de54d7a - [E81][DTS] Add uSD slot on SDC2 interface (sdhc_2)
• 79e58e90 - [E81][DTB] Disable non-functional eMMC node

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added 1 commit

• f1810c4d - [E81][DTS] Disable non-functional eMMC node

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approved this merge request

merged