Fix build parameter.

Signed-off-by: Suvarna Meenakshi <sumeenak@microsoft.com>

Author: SuvarnaMeenakshi

Makefile.work

@@ -279,7 +279,7 @@ SONIC_BUILD_INSTRUCTION :=  make \
                            SONIC_ENABLE_IMAGE_SIGNATURE=$(ENABLE_IMAGE_SIGNATURE) \
                            ENABLE_HOST_SERVICE_ON_START=$(ENABLE_HOST_SERVICE_ON_START) \
                            SLAVE_DIR=$(SLAVE_DIR) \
-                           BUILD_MKVM=$(BUILD_MKVM) \
+                           BUILD_MULTIASIC_KVM=$(BUILD_MULTIASIC_KVM) \
                            $(SONIC_OVERRIDE_BUILD_VARS)
 
 .PHONY: sonic-slave-build sonic-slave-bash init reset

build_image.sh

@@ -137,7 +137,7 @@ elif [ "$IMAGE_TYPE" = "kvm" ]; then
     generate_onie_installer_image
     # Generate single asic KVM image
     generate_kvm_image
-    if [ "$BUILD_MKVM" == "y" ]; then
+    if [ "$BUILD_MULTIASIC_KVM" == "y" ]; then
         # Genrate 4-asic KVM image
         generate_kvm_image 4
         # Generate 6-asic KVM image