clk: renesas: r9a06g032: Fix the RTC hclock description

clk: renesas: r9a06g032: Fix the RTC hclock description

It needs to be un-gated, but also a reset must be released and an idle
flag should also be disabled.

The driver already supports all these operations, so update the
description of the RTC hclock to fit these requirements.

Fixes: 4c3d88526eba2143 ("clk: renesas: Renesas R9A06G032 clock driver")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20220421090016.79517-3-miquel.raynal@bootlin.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>