s3c-fb: fix resource releasing on error during probing

All resources are released in s3c_fb_win_release so remove other places of
resources releasing.  Add releasing of an allocated fb_info structure as
well.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>