[M] Change in coreboot[master]: mb/intel/mtlrvp: Add new MTL-P board variant for MCHP1727

[Vijay P Hiremath (Code Review)]

Attention is currently required from: Subrata Banik, Harsha B R, Eric Lai, Usha P.

Vijay P Hiremath has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/70668 )

Change subject: mb/intel/mtlrvp: Add new MTL-P board variant for MCHP1727
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Patch Set 3: -Code-Review

(1 comment)

File src/mainboard/intel/mtlrvp/variants/mtlrvp_p_mchp/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/70668/comment/316bb1ef_7b19b76b 
PS3, Line 1: chip soc/intel/meteorlake
on a second thought, for easy maintainability, how about creating symbolic link to "src/mainboard/intel/mtlrvp/variants/mtlrvp_p_ext_ec/overridetree.cb"  instead of a new file?