scripts/generate-kernel-patch: Only select new QLogic driver for kernel versions >= 3.15

A recent change (.cmd_size in the SCSI host template) increased the
minimal kernel version required for qla2x00t-32gbit. Update
scripts/generate-kernel-patch.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8571 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scripts/generate-kernel-patch

@@ -173,8 +173,6 @@ generating_upstream_patch="false"
 mpt_scst="false"
 multiple_patches="false"
 patchdir=""
-qla2x00t="false"
-qla2x00t_32gbit="true"
 replace_sbug_by_bug="true"
 specialize_patch_options=(-v "delete_disabled_code=1")
 srpt="true"
@@ -226,6 +224,16 @@ else
   include_fcst="false"
 fi
 
+# See also commit 89d9a567952b ("[SCSI] add support for per-host cmd pools";
+# v3.15).
+if kernel_version_lt "$kver" 3.15; then
+    qla2x00t="true"
+    qla2x00t_32gbit="false"
+else
+    qla2x00t="false"
+    qla2x00t_32gbit="true"
+fi
+
 if [ -e "scst/kernel/in-tree/Makefile.scst-${kver}" ]; then
   scst_makefile="Makefile.scst-${kver}"
 else