[nrf fromtree] drivers: clock_control: Update RC accuracy nRF devices

It is only nrf52 that has 500ppm accuracy on LFRC.
All others have 250ppm.

Signed-off-by: Martin Tverdal <[email protected]>
(cherry picked from commit 4f68adf)

Author: martintv

Diff for: drivers/clock_control/Kconfig.nrf

@@ -130,7 +130,8 @@ endif # CLOCK_CONTROL_NRF_K32SRC_RC_CALIBRATION
 
 choice CLOCK_CONTROL_NRF_ACCURACY_PPM
 	prompt "32KHz clock accuracy"
-	default CLOCK_CONTROL_NRF_K32SRC_500PPM if CLOCK_CONTROL_NRF_K32SRC_RC
+	default CLOCK_CONTROL_NRF_K32SRC_500PPM if CLOCK_CONTROL_NRF_K32SRC_RC && SOC_COMPATIBLE_NRF52X
+	default CLOCK_CONTROL_NRF_K32SRC_250PPM if CLOCK_CONTROL_NRF_K32SRC_RC
 	default CLOCK_CONTROL_NRF_K32SRC_50PPM
 
 config CLOCK_CONTROL_NRF_K32SRC_500PPM