chore: update microvm kernel Kconfigs

Update the Kconfig files to be those of the 6.1.167
and 5.10.252 microvm kernel releases. As part of this, Drop Kconfig
patches for PCI, vmclock, virtio-mem and virtio-pmem, since the latest
microvm kernel config already enables the required options.

Signed-off-by: James Curtis <jxcurtis@amazon.co.uk>

Author: JamesC1305

resources/guest_configs/ci.config

@@ -4,11 +4,12 @@ CONFIG_MSDOS_PARTITION=y
 CONFIG_SQUASHFS_ZSTD=y
 # aarch64 only TBD split into a separate file
 CONFIG_DEVMEM=y
+CONFIG_STRICT_DEVMEM=y
 # CONFIG_ARM64_ERRATUM_3194386 is not set
 # Needed for CTRL+ALT+DEL support
 CONFIG_SERIO=y
 CONFIG_SERIO_I8042=y
 CONFIG_SERIO_LIBPS2=y
 CONFIG_SERIO_GSCPS2=y
 CONFIG_KEYBOARD_ATKBD=y
-CONFIG_INPUT_KEYBOARD=y
+CONFIG_INPUT_KEYBOARD=y