clk: ti: fix typo in routine description

Replace _omap3_noncore_dpll_program with omap3_noncore_dpll_program.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20210606202253.31649-2-dariobin@libero.it


Signed-off-by: Stephen Boyd <sboyd@kernel.org>