K 10
svn:author
V 3
ray
K 8
svn:date
V 27
2019-08-31T21:28:06.784788Z
K 7
svn:log
V 277
ARM kernel can get RAM regions three ways:
o from FDT;
o from EFI;
o from Linux Boot API (ATAG).
U-Boot may pass RAM info all that 3 ways simultaneously.
We do select between FDT and EFI, but not for ATAG.
So this is not problem fix, but correctness check.

MFC after:	2 weeks

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