Convert CONFIG_EHCI_HCD_INIT_AFTER_RESET to Kconfig

This converts the following to Kconfig:
   CONFIG_EHCI_HCD_INIT_AFTER_RESET

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 8e0ecc5..5d0855f 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -260,9 +260,12 @@
 	---help---
 	  Enables support for generic EHCI controller.
 
+config EHCI_HCD_INIT_AFTER_RESET
+	bool
+
 config USB_EHCI_FSL
 	bool  "Support for FSL on-chip EHCI USB controller"
-	select  CONFIG_EHCI_HCD_INIT_AFTER_RESET
+	select EHCI_HCD_INIT_AFTER_RESET
 	---help---
 	  Enables support for the on-chip EHCI controller on FSL chips.
 endif # USB_EHCI_HCD