linux-netmodule: Remove latest dependencies to MACHINE variable

These dependencies lead to a partial rebuild of the kernel when
switching machine, even where they are actually using the exact same
kernel sources and config.

BugzID: 80015

recipes-kernel/linux/linux-netmodule.inc

@@ -13,10 +13,20 @@ RDEPENDS_${KERNEL_PACKAGE_NAME}-base = ""
 # We are building one kernel for all machines with the same architecture
 PACKAGE_ARCH = "${TUNE_PKGARCH}"
 
+# This variable is using MACHINE by default. Since we don't use it,
+# overwrite with dummy value not using MACHINE variable
+INITRAMFS_IMAGE_NAME = "-"
+
 S = "${WORKDIR}/git"
 
 INSANE_SKIP_${PN} += "version-going-backwards"
 
+copy_initramfs () {
+    # We do not use this feature and it is depending on MACHINE variable
+    # So to avoid this dependency we overwrite it with an empty function
+    true
+}
+
 #If a KERNEL_DEFCONFIG is specified, the defconfig specified in SRC_URI will be overwritten!
 do_configure_append(){
     if [ "${KERNEL_DEFCONFIG}" != "" ]; then