[OE-core] want to clarify relationship between UBOOT_MACHINE and UBOOT_CONFIG

[Robert P. J. Day]

  this *looks* straightforward, i just want to make sure i'm
understanding it properly before diving into the code. for machines
that require u-boot, there are two ways to identify the u-boot config
file to use for the configuration.

  the simple way is to just set UBOOT_MACHINE to refer to one of the
numerous config files that come with u-boot, and that's it, you're
done.

  the more flexible way is to use UBOOT_CONFIG, which gives you the
ability to identify a *number* of possible u-boot config files, based
on the image fstypes you want to generate. in the end, all the
UBOOT_CONFIG possibilities still have to map directly to u-boot config
files.

  that's it, right? is there anything more subtle happening under the
hood than that? thanks.

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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