qcacld-3.0: CL 1548360 - update fw common interface files

Propagation from qcacld-2.0 to qcacld-3.0

Adding common changes for enabling ATF per SSID (vdev)
strict/fair scheduling.

Change-Id: I4aaccf1d55aa3e173e4ae2e298a8c711e4a01e31
CRs-fixed: 865207

target/inc/wmi_version.h

@@ -36,7 +36,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility */
-#define __WMI_REVISION_ 275
+#define __WMI_REVISION_ 276
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work