Convert CONFIG_USB_MAX_CONTROLLER_COUNT to Kconfig
This converts the following to Kconfig:
CONFIG_USB_MAX_CONTROLLER_COUNT
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/pico-imx6ul_defconfig b/configs/pico-imx6ul_defconfig
index aeda455..e8f6c43 100644
--- a/configs/pico-imx6ul_defconfig
+++ b/configs/pico-imx6ul_defconfig
@@ -78,6 +78,7 @@
CONFIG_DM_REGULATOR_GPIO=y
CONFIG_MXC_UART=y
CONFIG_USB=y
+CONFIG_USB_MAX_CONTROLLER_COUNT=2
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525