dts: bindings: cpu: espressif: xtensa: Remove unsupported cyrstal freq

Remove unsupported cyrstal frequency 32MHz for
xtensa-lx7 (ESP32S2 & ESP32S3)

Signed-off-by: Jasper Wong <[email protected]>

Author: DaGigabyte

dts/bindings/cpu/espressif,xtensa-lx7.yaml

@@ -31,5 +31,3 @@ properties:
     description: Value of the external XTAL connected to ESP32.
     enum:
       - 40000000
-      - 32000000
-      - 26000000