Change in coreboot[master]: mb/siemens/mc_apl1: Deduplicate wait_for_legacy_dev()

[Angel Pons (Code Review)]

Hello build bot (Jenkins), Mario Scheithauer, siemens-bot, Werner Zeh,

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

https://review.coreboot.org/c/coreboot/+/47402

to look at the new patch set (#4).

Change subject: mb/siemens/mc_apl1: Deduplicate wait_for_legacy_dev()
......................................................................

mb/siemens/mc_apl1: Deduplicate wait_for_legacy_dev()

There's one copy of this function for all variants except mc_apl4. Move
one copy into common mainboard.c and exit early if running on mc_apl4.

Change-Id: I4e35b58adc074831ccec433b8e014db0695b955e
Signed-off-by: Angel Pons 
---
M src/mainboard/siemens/mc_apl1/mainboard.c
M src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c
M src/mainboard/siemens/mc_apl1/variants/mc_apl2/mainboard.c
M src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
M src/mainboard/siemens/mc_apl1/variants/mc_apl5/mainboard.c
M src/mainboard/siemens/mc_apl1/variants/mc_apl6/mainboard.c
6 files changed, 32 insertions(+), 141 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/02/47402/4