doc: Fixed migration notes for clock separation

Fixed migration notes for clock separation feature

Signed-off-by: Michal Frankiewicz <michal.frankiewicz@nordicsemi.no>

Author: mif1-nordic

doc/nrf/releases_and_maturity/migration/migration_guide_3.5.rst

@@ -179,7 +179,7 @@ Clock control nrf deprecation
               status = "okay";
           }
 
-   #. Remne the following Kconfig options:
+   #. Rename the following Kconfig options:
 
       * Replace :kconfig:option:`CONFIG_NRFX_CLOCK_USE_LFRC_CALIBRATION` with :kconfig:option:`CONFIG_NRFX_CLOCK_LFCLK_USE_LFRC_CALIBRATION`.
       * Replace :kconfig:option:`CONFIG_NRFX_CLOCK_LF_CAL_ENABLED` with :kconfig:option:`CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC_CALIBRATION`.