watchdog: rzn1: Fix reverse xmas tree declaration

watchdog: rzn1: Fix reverse xmas tree declaration

Variables declared in probe() don't follow the reverse xmas
tree convention.

Fix the declaration in order to follow the convention.

Signed-off-by: Herve Codina (Schneider Electric) <herve.codina@bootlin.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20260324114849.242755-2-herve.codina@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>