qcacmn: support of common wmi rx event handling for common wmi layer

Remove hard-coded rx execution context of wmi event callbacks.
UMAC layer needs to register execution context while registering
events with wmi layer.

Execute wmi rx event callbacks in following context-
1) work queue context provided by wmi layer.
2) umac provided context, umac can choose to
   execute in thread context or default tasklet context
   based on umac implementation.

CRs-Fixed: 978619
Change-Id: Id9b1f1e5157e8a203f93a62791f85a8145cc1599

wmi/inc/wmi_version_whitelist.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2013-2014, 2016 The Linux Foundation. All rights reserved.
+ *
+ * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
+ *
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This file was originally distributed by Qualcomm Atheros, Inc.
+ * under proprietary terms before Copyright ownership was assigned
+ * to the Linux Foundation.
+ */
+
+/*
+ * Every Product Line or chipset or team can have its own Whitelist table.
+ * The following is a list of versions that the present software can support
+ * even though its versions are incompatible. Any entry here means that the
+ * indicated version does not break WMI compatibility even though it has
+ * a minor version change.
+ */
+wmi_whitelist_version_info version_whitelist[] = {
+	{0, 0, 0x5F414351, 0x00004C4D, 0, 0}
+	/* Placeholder: Major=0, Minor=0, Namespace="QCA_ML" (Dummy entry) */
+};