[L] Change in coreboot[master]: mb/google/kahlee: use override devicetrees for variants

[Matt DeVillier (Code Review)]

Attention is currently required from: Jason Nien, Martin Roth, Felix Held.

Matt DeVillier has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68634 )

Change subject: mb/google/kahlee: use override devicetrees for variants
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Patch Set 3:

(1 comment)

File src/mainboard/google/kahlee/variants/aleena/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/68634/comment/baa757fe_1a225dfd 
PS3, Line 41: chip drivers/i2c/da7219
            : 			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_14)"
            : 			register "btn_cfg" = "50"
            : 			register "mic_det_thr" = "500"
            : 			register "jack_ins_deb" = "20"
            : 			register "jack_det_rate" = ""32ms_64ms""
            : 			register "jack_rem_deb" = "1"
            : 			register "a_d_btn_thr" = "0xa"
            : 			register "d_b_btn_thr" = "0x16"
            : 			register "b_c_btn_thr" = "0x21"
            : 			register "c_mic_btn_thr" = "0x3e"
            : 			register "btn_avg" = "4"
            : 			register "adc_1bit_rpt" = "1"
            : 			register "micbias_lvl" = "2600"
            : 			register "mic_amp_in_sel" = ""diff""
            : 			register "mclk_name" = ""oscout1""
            : 			device i2c 1a on end
            : 		end
missed this one before, to the baseboard!