drivers: counter: stm32_rtc: fix clk disable for WBAX

clock_control_on() was called instead of clock_control_off().

Signed-off-by: Abderrahmane Jarmouni <abderrahmane.jarmouni-ext@st.com>
(cherry picked from commit c09f1ec91ac2ee0533948c059f5725ad36c2a4d9)
1 file changed