Makefile: use EXTRAVERSION for -rc? tag
authorWolfgang Denk <wd@denx.de>
Mon, 5 Nov 2012 00:50:54 +0000 (17:50 -0700)
committerTom Rini <trini@ti.com>
Mon, 5 Nov 2012 00:50:54 +0000 (17:50 -0700)
When using SUBLEVEL for the -rc? tag, this results in an ugly version
string like "2013.01.-rc1" - let's use EXTRAVERSION instead to get the
simple "2013.01-rc1"

Signed-off-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>

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