net: phy: Hide Micrel KSZ9021 and KSZ9031 Kconfig options

The correct option is PHY_MICREL_KSZ90X1, but some configs still
select the 9021 and 9031 options, which are deprecated.

Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

drivers/net/phy/Kconfig

@@ -67,34 +67,14 @@ config PHY_MICREL
 if PHY_MICREL
 
 config PHY_MICREL_KSZ9021
-	bool "Micrel KSZ9021 family support"
+	bool
 	select PHY_GIGE
 	select PHY_MICREL_KSZ90X1
-	help
-	  Enable support for the Micrel KSZ9021 GbE PHY family.  If
-	  enabled, the extended register read/write for KSZ9021 PHYs
-	  is supported through the 'mdio' command and any RGMII signal
-	  delays configured in the device tree will be applied to the
-	  PHY during initialisation.
-
-	  Note that the KSZ9021 uses the same part number os the
-	  KSZ8921BL, so enabling this option disables support for the
-	  KSZ8721BL.
-
-	  Deprecated. Use PHY_MICREL_KSZ90X1 instead.
 
 config PHY_MICREL_KSZ9031
-	bool "Micrel KSZ9031 family support"
+	bool
 	select PHY_GIGE
 	select PHY_MICREL_KSZ90X1
-	help
-	  Enable support for the Micrel KSZ9031 GbE PHY family.  If
-	  enabled, the extended register read/write for KSZ9021 PHYs
-	  is supported through the 'mdio' command and any RGMII signal
-	  delays configured in the device tree will be applied to the
-	  PHY during initialisatioin.
-
-	  Deprecated. Use PHY_MICREL_KSZ90X1 instead.
 
 config PHY_MICREL_KSZ90X1
 	bool "Micrel KSZ90x1 family support"