soc/intel/cannonlake: Fix Build break

1.Replace outdated defination of TCO_EN to TCO_BASE_EN
2.Remove setmaxfreq() as not needed any more.

Change-Id: Id54fdfd14f1abaa592132195e6f9acfa5807626e
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/20568
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/cannonlake/bootblock/bootblock.c

@@ -38,6 +38,5 @@ void bootblock_soc_early_init(void)
 void bootblock_soc_init(void)
 {
 	report_platform_info();
-	set_max_freq();
 	pch_early_init();
 }

src/soc/intel/cannonlake/bootblock/pch.c

@@ -139,7 +139,7 @@ static void soc_config_tco(void)
 
 	/* Disable TCO in SMBUS Device first before changing Base Address */
 	reg32 = pci_read_config32(PCH_DEV_SMBUS, TCOCTL);
-	reg32 &= ~TCO_EN;
+	reg32 &= ~TCO_BASE_EN;
 	pci_write_config32(PCH_DEV_SMBUS, TCOCTL, reg32);
 
 	/* Program TCO Base */

src/soc/intel/cannonlake/include/soc/bootblock.h

@@ -26,6 +26,5 @@ void bootblock_pch_early_init(void);
 void pch_early_init(void);
 void pch_early_iorange_init(void);
 void report_platform_info(void);
-void set_max_freq(void);
 
 #endif