ar71xx/base-files: rename 09_fix-trx-header 09_fix-checksum

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Acked-by: John Crispin <john@phrozen.org>

diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/09_fix-trx-header b/target/linux/ar71xx/base-files/etc/uci-defaults/09_fix-checksum
similarity index 100%
rename from target/linux/ar71xx/base-files/etc/uci-defaults/09_fix-trx-header
rename to target/linux/ar71xx/base-files/etc/uci-defaults/09_fix-checksum