xtensa: only build platform or variant if they contain a Makefile
authorChris Zankel <chris@zankel.net>
Thu, 2 Apr 2009 23:58:53 +0000 (16:58 -0700)
committerChris Zankel <chris@zankel.net>
Fri, 3 Apr 2009 07:06:45 +0000 (00:06 -0700)
We only add the platform or variant directory to core-y if it
contains a Makefile. Consequently, we can remove the Makefiles
for the dc232b and fsf processor variants.

Signed-off-by: Chris Zankel <chris@zankel.net>

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