usb: chipidea: delete static debug support

Since we have dynamic debug support, delete static debug for chipidea
Signed-off-by: Peter Chen <peter.chen@freescale.com>

drivers/usb/chipidea/Kconfig

@@ -37,9 +37,4 @@ config USB_CHIPIDEA_HOST
 	  Say Y here to enable host controller functionality of the
 	  ChipIdea driver.
 
-config USB_CHIPIDEA_DEBUG
-	bool "ChipIdea driver debug"
-	help
-	  Say Y here to enable debugging output of the ChipIdea driver.
-
 endif

drivers/usb/chipidea/Makefile

-ccflags-$(CONFIG_USB_CHIPIDEA_DEBUG) := -DDEBUG
-
 obj-$(CONFIG_USB_CHIPIDEA)		+= ci_hdrc.o
 
 ci_hdrc-y				:= core.o otg.o debug.o