clk: mmp: Use common error handling code in mmp_clk_register_mix()

Add a jump target so that a bit of exception handling can be
better reused at the end of this function.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
1 file changed