kernel/9pnet: 6.12: fix missing dependency

Add missing depends kmod-fs-netfs.

Package kmod-9pnet is missing dependencies for the following libraries:
netfs.ko

Ref: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.12.y&id=5fb70e7275a61dd404f684370e1add7fe0ebe9c5

Signed-off-by: Mieczyslaw Nalewaj <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16547
Signed-off-by: Christian Marangi <[email protected]>

package/kernel/linux/modules/netsupport.mk

@@ -1376,6 +1376,7 @@ $(eval $(call KernelPackage,mpls))
 define KernelPackage/9pnet
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=Plan 9 Resource Sharing Support (9P2000)
+  DEPENDS:=+!LINUX_6_6:kmod-fs-netfs
   KCONFIG:= \
 	CONFIG_NET_9P \
 	CONFIG_NET_9P_DEBUG=n \