kernel: modules: fix kmod-iavf dependencies

Add missing dependency kmod-ptp to fix the build error. We also
add symbol CONFIG_PTP_1588_CLOCK_OPTIONAL explicitly for kmod-ptp
because it is selected by CONFIG_PTP_1588_CLOCK. Fix:

Package kmod-iavf is missing dependencies for the following libraries:
ptp.ko

Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/22730
Signed-off-by: Hauke Mehrtens <[email protected]>

package/kernel/linux/modules/netdevices.mk

@@ -1543,7 +1543,7 @@ $(eval $(call KernelPackage,ice))
 define KernelPackage/iavf
   SUBMENU:=$(NETWORK_DEVICES_MENU)
   TITLE:=Intel(R) Ethernet Adaptive Virtual Function support
-  DEPENDS:=@PCI_SUPPORT +kmod-libie +!LINUX_6_12:kmod-libie-adminq
+  DEPENDS:=@PCI_SUPPORT +kmod-libie +!LINUX_6_12:kmod-libie-adminq +!LINUX_6_12:kmod-ptp
   KCONFIG:= \
        CONFIG_I40EVF \
        CONFIG_IAVF

package/kernel/linux/modules/other.mk

@@ -843,6 +843,7 @@ define KernelPackage/ptp
   DEPENDS:=+kmod-pps
   KCONFIG:= \
 	CONFIG_PTP_1588_CLOCK \
+	CONFIG_PTP_1588_CLOCK_OPTIONAL \
 	CONFIG_NET_PTP_CLASSIFY=y
   FILES:=$(LINUX_DIR)/drivers/ptp/ptp.ko
   AUTOLOAD:=$(call AutoLoad,18,ptp,1)