dracut: alternative approach to the last patch as suggested by @duncaen

srcpkgs/dracut/patches/prevent_error_message.patch

@@ -1,12 +1,13 @@
 diff --git a/modules.d/50drm/module-setup.sh b/modules.d/50drm/module-setup.sh
-index 382f51a9..eb3fc9d3 100755
+index 382f51a9..c995c2c5 100755
 --- modules.d/50drm/module-setup.sh
 +++ modules.d/50drm/module-setup.sh
-@@ -40,6 +40,6 @@ installkernel() {
+@@ -40,6 +40,7 @@ installkernel() {
              fi
          done
      else
 -        dracut_instmods -s "drm_crtc_init" "=drivers/gpu/drm" "=drivers/staging"
-+        dracut_instmods -o -s "drm_crtc_init" "=drivers/gpu/drm" "=drivers/staging"
++        dracut_instmods -s "drm_crtc_init" "=drivers/gpu/drm"
++        dracut_instmods -o -s "drm_crtc_init" "=drivers/staging"
      fi
  }

srcpkgs/dracut/template

@@ -1,7 +1,7 @@
 # Template file for 'dracut'
 pkgname=dracut
 version=047
-revision=2
+revision=3
 build_style=configure
 configure_args="--prefix=/usr --sysconfdir=/etc"
 hostmakedepends="asciidoc pkg-config"