usbdebug: Drop obsolete code

Change-Id: I918ca1d0d0d7bcb7e16d41a12830a0357f15b8ed
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5130
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/cpu/intel/fsp_model_206ax/model_206ax_init.c

@@ -34,7 +34,6 @@
 #include <cpu/x86/cache.h>
 #include <cpu/x86/name.h>
 #include <pc80/mc146818rtc.h>
-#include <usbdebug.h>
 #include "model_206ax.h"
 #include "chip.h"
 
@@ -289,10 +288,6 @@ static void configure_mca(void)
 		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 }
 
-#if CONFIG_USBDEBUG
-static unsigned ehci_debug_addr;
-#endif
-
 /*
  * Initialize any extra cores/threads in this package.
  */
@@ -365,13 +360,6 @@ static void model_206ax_init(device_t cpu)
 	fill_processor_name(processor_name);
 	printk(BIOS_INFO, "CPU: %s.\n", processor_name);
 
-#if CONFIG_USBDEBUG
-	// Is this caution really needed?
-	if(!ehci_debug_addr)
-		ehci_debug_addr = get_ehci_debug();
-	set_ehci_debug(0);
-#endif
-
 	/* Setup MTRRs based on physical address size */
 	cpuid_regs = cpuid(0x80000008);
 	x86_setup_fixed_mtrrs();
@@ -381,10 +369,6 @@ static void model_206ax_init(device_t cpu)
 	/* Setup Page Attribute Tables (PAT) */
 	// TODO set up PAT
 
-#if CONFIG_USBDEBUG
-	set_ehci_debug(ehci_debug_addr);
-#endif
-
 	/* Enable the local cpu apics */
 	enable_lapic_tpr();
 	setup_lapic();

src/southbridge/intel/ibexpeak/thermal.c

@@ -23,7 +23,6 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 #include "pch.h"
-#include <usbdebug.h>
 #include <arch/io.h>
 
 static void thermal_init(struct device *dev)