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-pi-imx7d_defconfig b/configs/pico-pi-imx7d_defconfig
index 1a052a4..79aa398 100644
--- a/configs/pico-pi-imx7d_defconfig
+++ b/configs/pico-pi-imx7d_defconfig
@@ -87,6 +87,7 @@
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_MXC_USB_OTG_HACTIVE=y
+CONFIG_USB_MAX_CONTROLLER_COUNT=2
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525