Merge #107

107: fix reading marchid and mimpid r=Disasm a=orangecms

It seems to have been a copy-paste error.
We ran into a very nasty bug in oreboot on the Allwinner D1 (C906) where
an errata patch in Linux relies on those two being zero.

Signed-off-by: Daniel Maslowski <info@orangecms.org>

Co-authored-by: Daniel Maslowski <info@orangecms.org>