sb/amd/agesa/hudson/Kconfig: Disable xHCI by default if no USE_BLOBS

Disable xHCI by default if USE_BLOBS option has not been selected.

Signed-off-by: Mike Banon <mikebdp2@gmail.com>
Change-Id: I1c3f0ff49fbe3db3ef095d99055f75d65cd6f661
Reviewed-on: https://review.coreboot.org/c/31216
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/southbridge/amd/agesa/hudson/Kconfig b/src/southbridge/amd/agesa/hudson/Kconfig
index 3bb9385..394a196 100644
--- a/src/southbridge/amd/agesa/hudson/Kconfig
+++ b/src/southbridge/amd/agesa/hudson/Kconfig
@@ -38,7 +38,7 @@
 
 config HUDSON_XHCI_ENABLE
 	bool "Enable Hudson XHCI Controller"
-	default y
+	default y if HUDSON_XHCI_FWM
 	help
 	  The XHCI controller must be enabled and the XHCI firmware
 	  must be added in order to have USB 3.0 support configured