clk: renesas: r9a06g032: Fix some typo in comments

This file seems to be for R9A06G032 only. So replace reference to
R9A09G032 by R9A06G032 to avoid confusion.

AFAIK, R9A09G032 does'nt exist.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20200413041709.3630-1-christophe.jaillet@wanadoo.fr


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>