HV: Kconfig: set default Kata num to 1 in SDC

Set default CONFIG_KATA_VM_NUM to 1 in SDC scenario so that user could
have a try on Kata container without rebuilding hypervisor.

Please be aware that vcpu affinity of VM1 in CPU partition mode
would be impacted by this patch.

Tracked-On: #4232

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

Makefile

@@ -117,6 +117,9 @@ hypervisor:
 	else \
 		$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT) BOARD_FILE=$(BOARD_FILE) SCENARIO_FILE=$(SCENARIO_FILE) defconfig; \
 		echo "CONFIG_$(shell echo $(SCENARIO) | tr a-z A-Z)=y" >> $(HV_OUT)/.config;	\
+		if [ "$(SCENARIO)" != "sdc" ]; then \
+			echo "CONFIG_MAX_KATA_VM_NUM=0" >> $(HV_OUT)/.config; \
+		fi; \
 		if [ "$(CONFIG_XML_ENABLED)" = "true" ]; then \
 			echo "CONFIG_ENFORCE_VALIDATED_ACPI_INFO=y" >> $(HV_OUT)/.config;	\
 		fi; \

hypervisor/arch/x86/Kconfig

@@ -308,7 +308,8 @@ config L1D_FLUSH_VMENTRY_ENABLED
 config MAX_KATA_VM_NUM
 	int "Maximum number of Kata Containers in SOS"
 	range 0 1
-	default 0
+	default 1 if SDC
+	default 0 if !SDC
 
 config UEFI_OS_LOADER_NAME
 	string "UEFI OS loader name"