Change in coreboot[master]: mb/siemens/mc_ehl: Switch to 16 MB ROM and provide a flashmap

[Werner Zeh (Code Review)]

Attention is currently required from: Arthur Heymans.
Werner Zeh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56035 )

Change subject: mb/siemens/mc_ehl: Switch to 16 MB ROM and provide a flashmap
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Patch Set 3:

(2 comments)

File src/mainboard/siemens/mc_ehl/mc_ehl.fmd:

https://review.coreboot.org/c/coreboot/+/56035/comment/5692c5cf_68b149a5 
PS2, Line 9: 0xbefe00
> Cool, this is new to me. Nice feature, will change.

Done

File src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Kconfig:

https://review.coreboot.org/c/coreboot/+/56035/comment/0c315df3_37176cb1 
PS2, Line 3: config BOARD_SPECIFIC_OPTIONS
           : 	def_bool y
> Will be used in the next commits. But yes, I can remove for this commit and add in later.

Done