linux-imx

m68k: Delete an unnecessary variable assignment in sys_cacheflush()

Delete an assignment for the local variable "ret" in an if branch
because it was initialised by the same value.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>