tile: default to little endian on older toolchains
authorChris Metcalf <cmetcalf@ezchip.com>
Tue, 13 Jan 2015 15:04:43 +0000 (10:04 -0500)
committerChris Metcalf <cmetcalf@ezchip.com>
Tue, 13 Jan 2015 15:13:30 +0000 (10:13 -0500)
Older toolchains may not specify __LITTLE_ENDIAN__, but older
toolchains were all little endian.  Don't make things unnecessarily
hard for those toolchains.

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>

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