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/lx2160ardb_tfa_defconfig b/configs/lx2160ardb_tfa_defconfig
index d3cfb1f..3040382 100644
--- a/configs/lx2160ardb_tfa_defconfig
+++ b/configs/lx2160ardb_tfa_defconfig
@@ -107,6 +107,7 @@
CONFIG_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_MAX_CONTROLLER_COUNT=2
CONFIG_WDT=y
CONFIG_WDT_SBSA=y
CONFIG_EFI_LOADER_BOUNCE_BUFFER=y