feat: enable Hyper-V dynamic memory driver

Enabling this driver has no effect for default Hyper-V users. But it
does allow enabling dynamic memory for users that opt in to that
feature.

Signed-off-by: Jori Huisman <jori@huisman.io>
Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>

kernel/build/config-amd64

@@ -4549,7 +4549,7 @@ CONFIG_VHOST_VSOCK=y
 CONFIG_HYPERV=y
 CONFIG_HYPERV_TIMER=y
 CONFIG_HYPERV_UTILS=y
-# CONFIG_HYPERV_BALLOON is not set
+CONFIG_HYPERV_BALLOON=y
 # end of Microsoft Hyper-V guest support
 
 #

kernel/build/config-arm64

@@ -5971,7 +5971,7 @@ CONFIG_VHOST_VSOCK=y
 #
 CONFIG_HYPERV=y
 CONFIG_HYPERV_UTILS=y
-# CONFIG_HYPERV_BALLOON is not set
+CONFIG_HYPERV_BALLOON=y
 # end of Microsoft Hyper-V guest support
 
 #
@@ -7535,9 +7535,6 @@ CONFIG_TMPFS_XATTR=y
 CONFIG_ARCH_SUPPORTS_HUGETLBFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
-CONFIG_ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP=y
-CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP=y
-# CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON is not set
 CONFIG_MEMFD_CREATE=y
 CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
 CONFIG_CONFIGFS_FS=y