KVM: Add linear_memory_sweep cases

Signed-off-by: Farrah Chen <farrah.chen@intel.com>

Author: fanchen2

KVM/qemu/boot_repeat.cfg

@@ -67,6 +67,21 @@
                             vm_secure_guest_type = tdx
                             variants:
                                 - from1G_toall:
+                - linear_memory_sweep:
+                    type = multi_vms_multi_boot
+                    vms = "vm1"
+                    start_mem = 1024
+                    mem_generator = linear
+                    mem_step = 511
+                    variants:
+                        - 1vm:
+                            variants:
+                                - from1G_toall:
+                        - 1td:
+                            machine_type_extra_params = "kernel-irqchip=split"
+                            vm_secure_guest_type = tdx
+                            variants:
+                                - from1G_toall:
 
         - multi_vms_repeat:
             virt_test_type = qemu