[M] Change in coreboot[master]: src/drivers/spi: add HID over SPI ACPI driver

[Eran Mitrani (Code Review)]

Attention is currently required from: Subrata Banik.

Hello Subrata Banik,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/74885

to look at the new patch set (#2).

Change subject: src/drivers/spi: add HID over SPI ACPI driver
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src/drivers/spi: add HID over SPI ACPI driver

Add driver to support ELAN touchscreen using SPI

* See "HID Over SPI Protocol Specification" section 5.2 - ACPI enum
* https://www.microsoft.com/en-us/download/details.aspx?id=103325

BUG=b:278783755
TEST=waiting for HW to be available

Signed-off-by: Eran Mitrani 
Change-Id: Id51d385ce350cef23da4184b044c74569f4dd3f0
Signed-off-by: Eran Mitrani 
---
A src/drivers/spi/hid/elan/elan7b18uh.asl
1 file changed, 137 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/85/74885/2