drivers/pc80: Move UDELAY_IO and UDELAY_TIMER2

No longer fallback to UDELAY_IO as default.
Since these are not cpu properties or features,
move the Kconfig location.

Change-Id: I9809cdc285c7bf741aa391ddb5755390bbfc2909
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34107
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/drivers/pc80/pc/Kconfig

@@ -1,10 +1,11 @@
+if PC80_SYSTEM
+
 # Might be removed (alongside with the PS/2 init code) once payloads
 # reliably support PS/2 init themselves.
 
 config DRIVERS_PS2_KEYBOARD
 	bool "PS/2 keyboard init"
 	default n
-	depends on PC80_SYSTEM
 	help
 	  Enable this option to initialize PS/2 keyboards found connected
 	  to the PS/2 port.
@@ -16,3 +17,14 @@ config DRIVERS_PS2_KEYBOARD
 	  If you know you will only use a payload which does not require
 	  this option, then you can say N here to speed up boot time.
 	  Otherwise say Y.
+
+config UDELAY_IO
+	bool
+	default n
+
+# This option is used in code but never selected.
+config UDELAY_TIMER2
+	bool
+	default n
+
+endif