[L] Change in coreboot[master]: drivers/i2c: Add a new RTC RV-3028-C7 from Micro Crystal

[Martin L Roth (Code Review)]

Attention is currently required from: Arthur Heymans, Werner Zeh.

Martin L Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67099 )

Change subject: drivers/i2c: Add a new RTC RV-3028-C7 from Micro Crystal
......................................................................

Patch Set 3:

(6 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/67099/comment/7729d4cf_3df527cf 
PS3, Line 12: devietree
devicetree

File src/drivers/i2c/rv3028c7/chip.h:

https://review.coreboot.org/c/coreboot/+/67099/comment/09a8994f_eeafc202 
PS3, Line 2: 
Add guards around header file?

https://review.coreboot.org/c/coreboot/+/67099/comment/6433b40e_40edb4bd 
PS3, Line 28: CARGE_VIA_3K
CHARGE_?   Same below.

https://review.coreboot.org/c/coreboot/+/67099/comment/88113048_f794616a 
PS3, Line 38: /* User year to set */
/* User year to set (2-digit) */

https://review.coreboot.org/c/coreboot/+/67099/comment/77c28363_86d000e0 
PS3, Line 41: cap_cahrge
cap_charge?

File src/drivers/i2c/rv3028c7/rv3028c7.c:

https://review.coreboot.org/c/coreboot/+/67099/comment/a6ce518f_c40dee34 
PS3, Line 22: 	} while ((status & EE_BUSY_BIT) && !stopwatch_expired(&sw));
Add a 1ms delay here so this time can be used elsewhere if needed?

See thread_yield functions.