Add sevguest driver to lakitu kernel config

The sevguest driver is necessary to support guest-side attestation. This
patch has some unrelated changes that stem from regenerating the file as
well.

Change-Id: I703be605db75c8fed4b220fbd345ef9a21b48434

arch/x86/configs/lakitu_defconfig

diff --git a/arch/x86/configs/lakitu_defconfig b/arch/x86/configs/lakitu_defconfig
index b15f181..455d61e 100644
--- a/arch/x86/configs/lakitu_defconfig
+++ b/arch/x86/configs/lakitu_defconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86_64 5.15.51 Kernel Configuration
+# Linux/x86_64 5.15.55 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="Chromium OS 14.0_pre445002_p20220217-r1 clang version 14.0.0 (/var/tmp/portage/sys-devel/llvm-14.0_pre445002_p20220217-r1/work/llvm-14.0_pre445002_p20220217/clang 18308e171b5b1dd99627a4d88c7d6c5ff21b8c96)"
 CONFIG_GCC_VERSION=0
@@ -626,7 +626,6 @@
 # Binary Emulations
 #
 CONFIG_IA32_EMULATION=y
-# CONFIG_X86_X32 is not set
 CONFIG_COMPAT_32=y
 CONFIG_COMPAT=y
 CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
@@ -706,7 +705,10 @@
 CONFIG_STACKPROTECTOR_STRONG=y
 CONFIG_ARCH_SUPPORTS_LTO_CLANG=y
 CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y
+CONFIG_HAS_LTO_CLANG=y
 CONFIG_LTO_NONE=y
+# CONFIG_LTO_CLANG_FULL is not set
+# CONFIG_LTO_CLANG_THIN is not set
 CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES=y
 CONFIG_HAVE_CONTEXT_TRACKING=y
 CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK=y
@@ -2792,7 +2794,10 @@
 # CONFIG_UIO_MF624 is not set
 # CONFIG_UIO_HV_GENERIC is not set
 # CONFIG_VFIO is not set
-# CONFIG_VIRT_DRIVERS is not set
+CONFIG_VIRT_DRIVERS=y
+# CONFIG_VBOXGUEST is not set
+# CONFIG_NITRO_ENCLAVES is not set
+CONFIG_SEV_GUEST=y
 CONFIG_VIRTIO=y
 CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS=y
 CONFIG_VIRTIO_PCI_LIB=y