soc/intel/cannonlake: Configure Vmx support using Kconfig

Change VmxEnable UPD values based on Kconfig ENABLE_VMX
and remove it from Devicetree and chip.h

Remove Vmx dependency on Vt-d

Change-Id: I4180c2270038a28befd6ed53c9485905025a15ba
Signed-off-by: Ronak Kanabar <ronak.kanabar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32117
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/cannonlake/romstage/fsp_params.c b/src/soc/intel/cannonlake/romstage/fsp_params.c
index 4545f52..2ad2c93 100644
--- a/src/soc/intel/cannonlake/romstage/fsp_params.c
+++ b/src/soc/intel/cannonlake/romstage/fsp_params.c
@@ -61,11 +61,8 @@
 	m_cfg->PcdDebugInterfaceFlags =
 				CONFIG(DRIVERS_UART_8250IO) ? 0x02 : 0x10;
 
-	/* Disable Vmx if Vt-d is already disabled */
-	if (config->VtdDisable)
-		m_cfg->VmxEnable = 0;
-	else
-		m_cfg->VmxEnable = config->VmxEnable;
+	/* Change VmxEnable UPD value according to ENABLE_VMX Kconfig */
+	m_cfg->VmxEnable = CONFIG(ENABLE_VMX);
 
 #if CONFIG(SOC_INTEL_COMMON_CANNONLAKE_BASE)
 	if (CONFIG(USE_INTEL_FSP_TO_CALL_COREBOOT_PUBLISH_MP_PPI))