dt-bindings: clock: st,stm32mp1-rcc: fix reference paths

dt-bindings: clock: st,stm32mp1-rcc: fix reference paths

The path of the two files was wrong even at the time they were added.
Let's fix them so they can be correctly referenced.

Fixes: 722dc8a1d5c8 ("dt-bindings: rcc: stm32: add new compatible for STM32MP13 SoC")
Fixes: 20107d7328cc ("dt-bindings: rcc: Convert stm32mp1 rcc bindings to json-schema")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20241231150144.4035938-1-dario.binacchi@amarulasolutions.com
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>