fix(dracut): do not install hostonly configuration in generic initramfs

Files under /etc are considered specific to the host.

Dracut supports generic initramfs generation, where only files under
/usr are included.

Author: jozzsi

kernel-boot/dracut/50rdma/module-setup.sh

@@ -12,12 +12,12 @@ depends() {
 }
 
 install() {
-    inst /etc/rdma/mlx4.conf
-    inst /etc/rdma/modules/infiniband.conf
-    inst /etc/rdma/modules/iwarp.conf
-    inst /etc/rdma/modules/opa.conf
-    inst /etc/rdma/modules/rdma.conf
-    inst /etc/rdma/modules/roce.conf
+    inst -H /etc/rdma/mlx4.conf
+    inst -H /etc/rdma/modules/infiniband.conf
+    inst -H /etc/rdma/modules/iwarp.conf
+    inst -H /etc/rdma/modules/opa.conf
+    inst -H /etc/rdma/modules/rdma.conf
+    inst -H /etc/rdma/modules/roce.conf
     inst /usr/libexec/mlx4-setup.sh
     inst_multiple lspci setpci awk sleep
     inst_rules 60-rdma-persistent-naming.rules 70-persistent-ipoib.rules 75-rdma-description.rules 90-rdma-hw-modules.rules 90-rdma-ulp-modules.rules 90-rdma-umad.rules